74139274 has 16 divisors (see below), whose sum is σ = 121546656. Its totient is φ = 33636400.

The previous prime is 74139269. The next prime is 74139287. The reversal of 74139274 is 47293147.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10044 + ... + 15784.

It is an arithmetic number, because the mean of its divisors is an integer number (7596666).

Almost surely, 2^74139274 is an apocalyptic number.

74139274 is a deficient number, since it is larger than the sum of its proper divisors (47407382).

74139274 is a wasteful number, since it uses less digits than its factorization.

74139274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341.

The product of its digits is 42336, while the sum is 37.

The square root of 74139274 is about 8610.4165985160. The cubic root of 74139274 is about 420.0968673019.

The spelling of 74139274 in words is "seventy-four million, one hundred thirty-nine thousand, two hundred seventy-four".