7455475872 has 240 divisors, whose sum is σ = 23866881192. Its totient is φ = 2269347840.

The previous prime is 7455475843. The next prime is 7455475877. The reversal of 7455475872 is 2785745547.

7455475872 is a `hidden beast` number, since 7 + 4 + 5 + 54 + 7 + 587 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5335425936 + 2120049936 = 73044^2 + 46044^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (7455475877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3267372 + ... + 3269652.

Almost surely, 2^7455475872 is an apocalyptic number.

7455475872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7455475872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11933440596).

7455475872 is an abundant number, since it is smaller than the sum of its proper divisors (16411405320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7455475872 is a wasteful number, since it uses less digits than its factorization.

7455475872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2396 counting only the distinct ones).

The product of its digits is 10976000, while the sum is 54.

The square root of 7455475872 is about 86345.0975562597. The cubic root of 7455475872 is about 1953.5526620142.

It can be divided in two parts, 74554 and 75872, that added together give a triangular number (150426 = T₅₄₈).

The spelling of 7455475872 in words is "seven billion, four hundred fifty-five million, four hundred seventy-five thousand, eight hundred seventy-two".