74170138 has 8 divisors (see below), whose sum is σ = 127148832. Its totient is φ = 31787196.

The previous prime is 74170127. The next prime is 74170171. The reversal of 74170138 is 83107147.

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

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, 2648920 + ... + 2648947.

It is an arithmetic number, because the mean of its divisors is an integer number (15893604).

Almost surely, 2^74170138 is an apocalyptic number.

74170138 is a deficient number, since it is larger than the sum of its proper divisors (52978694).

74170138 is a wasteful number, since it uses less digits than its factorization.

74170138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297876.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 74170138 is about 8612.2086598038. The cubic root of 74170138 is about 420.1551543168.

The spelling of 74170138 in words is "seventy-four million, one hundred seventy thousand, one hundred thirty-eight".