74725889 has 4 divisors (see below), whose sum is σ = 85401024. Its totient is φ = 64050756.

The previous prime is 74725853. The next prime is 74725891. The reversal of 74725889 is 98852747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 74725889 - 2⁸ = 74725633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74725289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5337557 + ... + 5337570.

It is an arithmetic number, because the mean of its divisors is an integer number (21350256).

Almost surely, 2^74725889 is an apocalyptic number.

It is an amenable number.

74725889 is a deficient number, since it is larger than the sum of its proper divisors (10675135).

74725889 is a wasteful number, since it uses less digits than its factorization.

74725889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675134.

The product of its digits is 1128960, while the sum is 50.

The square root of 74725889 is about 8644.4137453040. The cubic root of 74725889 is about 421.2019406469.

The spelling of 74725889 in words is "seventy-four million, seven hundred twenty-five thousand, eight hundred eighty-nine".