7275472780 has 48 divisors (see below), whose sum is σ = 16130630880. Its totient is φ = 2748791808.

The previous prime is 7275472777. The next prime is 7275472783. The reversal of 7275472780 is 872745727.

It is an interprime number because it is at equal distance from previous prime (7275472777) and next prime (7275472783).

It is not an unprimeable number, because it can be changed into a prime (7275472783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99654 + ... + 156466.

It is an arithmetic number, because the mean of its divisors is an integer number (336054810).

Almost surely, 2^7275472780 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 7275472780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8065315440).

7275472780 is an abundant number, since it is smaller than the sum of its proper divisors (8855158100).

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

7275472780 is a wasteful number, since it uses less digits than its factorization.

7275472780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57178 (or 57176 counting only the distinct ones).

The product of its (nonzero) digits is 1536640, while the sum is 49.

The square root of 7275472780 is about 85296.3819865767. The cubic root of 7275472780 is about 1937.7023831880.

The spelling of 7275472780 in words is "seven billion, two hundred seventy-five million, four hundred seventy-two thousand, seven hundred eighty".