7474812804 has 18 divisors (see below), whose sum is σ = 18894665790. Its totient is φ = 2491604256.

The previous prime is 7474812797. The next prime is 7474812809. The reversal of 7474812804 is 4082184747.

It can be written as a sum of positive squares in only one way, i.e., 5902848900 + 1571963904 = 76830^2 + 39648^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 7474812804.

It is not an unprimeable number, because it can be changed into a prime (7474812809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103816809 + ... + 103816880.

It is an arithmetic number, because the mean of its divisors is an integer number (1049703655).

Almost surely, 2^7474812804 is an apocalyptic number.

It is an amenable number.

7474812804 is an abundant number, since it is smaller than the sum of its proper divisors (11419852986).

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

7474812804 is a wasteful number, since it uses less digits than its factorization.

7474812804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207633699 (or 207633694 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The square root of 7474812804 is about 86456.9997397550. Note that the first 3 decimals coincide. The cubic root of 7474812804 is about 1955.2401511185.

Adding to 7474812804 its sum of digits (45), we get a square (7474812849 = 86457²).

The spelling of 7474812804 in words is "seven billion, four hundred seventy-four million, eight hundred twelve thousand, eight hundred four".