74390375 has 8 divisors (see below), whose sum is σ = 92839344. Its totient is φ = 59512200.

The previous prime is 74390363. The next prime is 74390389. The reversal of 74390375 is 57309347.

It is not a de Polignac number, because 74390375 - 2²⁰ = 73341799 is a prime.

It is a Duffinian number.

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, 297437 + ... + 297686.

It is an arithmetic number, because the mean of its divisors is an integer number (11604918).

Almost surely, 2^74390375 is an apocalyptic number.

74390375 is a deficient number, since it is larger than the sum of its proper divisors (18448969).

74390375 is an equidigital number, since it uses as much as digits as its factorization.

74390375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595138 (or 595128 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 74390375 is about 8624.9855072342. The cubic root of 74390375 is about 420.5706057627.

The spelling of 74390375 in words is "seventy-four million, three hundred ninety thousand, three hundred seventy-five".