74253408 has 24 divisors (see below), whose sum is σ = 194915448. Its totient is φ = 24751104.

The previous prime is 74253397. The next prime is 74253449. The reversal of 74253408 is 80435247.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×74253408² = 11027137199228928, which contains 22 as substring.

It is a congruent number.

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, 386641 + ... + 386832.

It is an arithmetic number, because the mean of its divisors is an integer number (8121477).

Almost surely, 2^74253408 is an apocalyptic number.

It is an amenable number.

74253408 is an abundant number, since it is smaller than the sum of its proper divisors (120662040).

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

74253408 is a wasteful number, since it uses less digits than its factorization.

74253408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773486 (or 773478 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 74253408 is about 8617.0417197551. The cubic root of 74253408 is about 420.3123300387.

The spelling of 74253408 in words is "seventy-four million, two hundred fifty-three thousand, four hundred eight".