74642424 has 16 divisors (see below), whose sum is σ = 186606120. Its totient is φ = 24880800.

The previous prime is 74642419. The next prime is 74642459. The reversal of 74642424 is 42424647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555027 + ... + 1555074.

Almost surely, 2^74642424 is an apocalyptic number.

It is an amenable number.

74642424 is an abundant number, since it is smaller than the sum of its proper divisors (111963696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74642424 is a wasteful number, since it uses less digits than its factorization.

74642424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110110 (or 3110106 counting only the distinct ones).

The product of its digits is 43008, while the sum is 33.

The square root of 74642424 is about 8639.5847122417. The cubic root of 74642424 is about 421.0450618749.

The spelling of 74642424 in words is "seventy-four million, six hundred forty-two thousand, four hundred twenty-four".