74286412 has 18 divisors (see below), whose sum is σ = 135903068. Its totient is φ = 35527272.

The previous prime is 74286353. The next prime is 74286427. The reversal of 74286412 is 21468247.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15438 + ... + 19669.

Almost surely, 2^74286412 is an apocalyptic number.

It is an amenable number.

74286412 is a deficient number, since it is larger than the sum of its proper divisors (61616656).

74286412 is a wasteful number, since it uses less digits than its factorization.

74286412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35157 (or 35132 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 74286412 is about 8618.9565493742. The cubic root of 74286412 is about 420.3745939974.

The spelling of 74286412 in words is "seventy-four million, two hundred eighty-six thousand, four hundred twelve".