74427124 has 12 divisors (see below), whose sum is σ = 130636324. Its totient is φ = 37102464.

The previous prime is 74427107. The next prime is 74427127. The reversal of 74427124 is 42172447.

It can be written as a sum of positive squares in 2 ways, for example, as 32695524 + 41731600 = 5718^2 + 6460^2 .

It is a super-2 number, since 2×74427124² = 11078793573822752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74427127) 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, 26259 + ... + 28954.

Almost surely, 2^74427124 is an apocalyptic number.

It is an amenable number.

74427124 is a deficient number, since it is larger than the sum of its proper divisors (56209200).

74427124 is a wasteful number, since it uses less digits than its factorization.

74427124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55554 (or 55552 counting only the distinct ones).

The product of its digits is 12544, while the sum is 31.

The square root of 74427124 is about 8627.1156245874. The cubic root of 74427124 is about 420.6398486133.

The spelling of 74427124 in words is "seventy-four million, four hundred twenty-seven thousand, one hundred twenty-four".