7475604864 has 512 divisors, whose sum is σ = 25852968960. Its totient is φ = 1861263360.

The previous prime is 7475604863. The next prime is 7475604869. The reversal of 7475604864 is 4684065747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7475604863) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72578637 + ... + 72578739.

It is an arithmetic number, because the mean of its divisors is an integer number (50494080).

Almost surely, 2^7475604864 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 7475604864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12926484480).

7475604864 is an abundant number, since it is smaller than the sum of its proper divisors (18377364096).

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

7475604864 is a wasteful number, since it uses less digits than its factorization.

7475604864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The square root of 7475604864 is about 86461.5802770225. The cubic root of 7475604864 is about 1955.3092102757.

The spelling of 7475604864 in words is "seven billion, four hundred seventy-five million, six hundred four thousand, eight hundred sixty-four".