74574573908 has 24 divisors (see below), whose sum is σ = 131229488040. Its totient is φ = 37080576000.

The previous prime is 74574573907. The next prime is 74574573923. The reversal of 74574573908 is 80937547547.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2271666244 + 72302907664 = 47662^2 + 268892^2 .

It is a super-2 number, since 2×74574573908² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74574573901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2300678 + ... + 2332866.

It is an arithmetic number, because the mean of its divisors is an integer number (5467895335).

Almost surely, 2^74574573908 is an apocalyptic number.

It is an amenable number.

74574573908 is a deficient number, since it is larger than the sum of its proper divisors (56654914132).

74574573908 is a wasteful number, since it uses less digits than its factorization.

74574573908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35387 (or 35385 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 59.

The spelling of 74574573908 in words is "seventy-four billion, five hundred seventy-four million, five hundred seventy-three thousand, nine hundred eight".