74225931 has 8 divisors (see below), whose sum is σ = 106580880. Its totient is φ = 45677472.

The previous prime is 74225923. The next prime is 74225933. The reversal of 74225931 is 13952247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74225931 - 2³ = 74225923 is a prime.

It is a super-2 number, since 2×74225931² = 11018977665633522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 74225892 and 74225901.

It is not an unprimeable number, because it can be changed into a prime (74225933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951576 + ... + 951653.

It is an arithmetic number, because the mean of its divisors is an integer number (13322610).

Almost surely, 2^74225931 is an apocalyptic number.

74225931 is a deficient number, since it is larger than the sum of its proper divisors (32354949).

74225931 is a wasteful number, since it uses less digits than its factorization.

74225931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903245.

The product of its digits is 15120, while the sum is 33.

The square root of 74225931 is about 8615.4472315719. The cubic root of 74225931 is about 420.2604790102.

The spelling of 74225931 in words is "seventy-four million, two hundred twenty-five thousand, nine hundred thirty-one".