74403604 has 24 divisors (see below), whose sum is σ = 143091648. Its totient is φ = 33570240.

The previous prime is 74403583. The next prime is 74403613. The reversal of 74403604 is 40630447.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (5962152).

Almost surely, 2^74403604 is an apocalyptic number.

It is an amenable number.

74403604 is a deficient number, since it is larger than the sum of its proper divisors (68688044).

74403604 is a wasteful number, since it uses less digits than its factorization.

74403604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495 (or 12493 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 74403604 is about 8625.7523729817. The cubic root of 74403604 is about 420.5955346095.

The spelling of 74403604 in words is "seventy-four million, four hundred three thousand, six hundred four".