74978468 has 12 divisors (see below), whose sum is σ = 131777100. Its totient is φ = 37327872.

The previous prime is 74978447. The next prime is 74978471. The reversal of 74978468 is 86487947.

It can be written as a sum of positive squares in 2 ways, for example, as 22676644 + 52301824 = 4762^2 + 7232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39293 + ... + 41156.

It is an arithmetic number, because the mean of its divisors is an integer number (10981425).

Almost surely, 2^74978468 is an apocalyptic number.

It is an amenable number.

74978468 is a deficient number, since it is larger than the sum of its proper divisors (56798632).

74978468 is a wasteful number, since it uses less digits than its factorization.

74978468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80686 (or 80684 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 74978468 is about 8659.0107980069. The cubic root of 74978468 is about 421.6759714723.

The spelling of 74978468 in words is "seventy-four million, nine hundred seventy-eight thousand, four hundred sixty-eight".