7485551604 has 96 divisors (see below), whose sum is σ = 19811836800. Its totient is φ = 2443461120.

The previous prime is 7485551587. The next prime is 7485551629. The reversal of 7485551604 is 4061555847.

7485551604 is a `hidden beast` number, since 7 + 485 + 5 + 5 + 160 + 4 = 666.

It is a super-2 number, since 2×7485551604² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7485551604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762924 + ... + 1767164.

It is an arithmetic number, because the mean of its divisors is an integer number (206373300).

Almost surely, 2^7485551604 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 7485551604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9905918400).

7485551604 is an abundant number, since it is smaller than the sum of its proper divisors (12326285196).

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

7485551604 is a wasteful number, since it uses less digits than its factorization.

7485551604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 7485551604 is about 86519.0823113607. The cubic root of 7485551604 is about 1956.1760446015.

The spelling of 7485551604 in words is "seven billion, four hundred eighty-five million, five hundred fifty-one thousand, six hundred four".