7454753856 has 126 divisors (see below), whose sum is σ = 23487036846. Its totient is φ = 2258995200.

The previous prime is 7454753851. The next prime is 7454753863. The reversal of 7454753856 is 6583574547.

7454753856 is a `hidden beast` number, since 7 + 4 + 54 + 7 + 538 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5464166400 + 1990587456 = 73920^2 + 44616^2 .

It is not an unprimeable number, because it can be changed into a prime (7454753851) 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 17 ways as a sum of consecutive naturals, for example, 16216 + ... + 123176.

Almost surely, 2^7454753856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7454753856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11743518423).

7454753856 is an abundant number, since it is smaller than the sum of its proper divisors (16032282990).

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

7454753856 is a wasteful number, since it uses less digits than its factorization.

7454753856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107001 (or 106977 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The square root of 7454753856 is about 86340.9164649067. The cubic root of 7454753856 is about 1953.4895968776.

The spelling of 7454753856 in words is "seven billion, four hundred fifty-four million, seven hundred fifty-three thousand, eight hundred fifty-six".