74724375 has 40 divisors (see below), whose sum is σ = 135856512. Its totient is φ = 36220000.

The previous prime is 74724347. The next prime is 74724383. The reversal of 74724375 is 57342747.

It is not a de Polignac number, because 74724375 - 2⁵ = 74724343 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18814 + ... + 22436.

Almost surely, 2^74724375 is an apocalyptic number.

74724375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74724375 is a deficient number, since it is larger than the sum of its proper divisors (61132137).

74724375 is a wasteful number, since it uses less digits than its factorization.

74724375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657 (or 3642 counting only the distinct ones).

The product of its digits is 164640, while the sum is 39.

The square root of 74724375 is about 8644.3261738553. The cubic root of 74724375 is about 421.1990960101.

The spelling of 74724375 in words is "seventy-four million, seven hundred twenty-four thousand, three hundred seventy-five".