74151138 has 16 divisors (see below), whose sum is σ = 150180480. Its totient is φ = 24404016.

The previous prime is 74151131. The next prime is 74151157. The reversal of 74151138 is 83115147.

It is not an unprimeable number, because it can be changed into a prime (74151131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77745 + ... + 78692.

It is an arithmetic number, because the mean of its divisors is an integer number (9386280).

Almost surely, 2^74151138 is an apocalyptic number.

74151138 is an abundant number, since it is smaller than the sum of its proper divisors (76029342).

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

74151138 is a wasteful number, since it uses less digits than its factorization.

74151138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156521.

The product of its digits is 3360, while the sum is 30.

The square root of 74151138 is about 8611.1055039408. The cubic root of 74151138 is about 420.1192745144.

The spelling of 74151138 in words is "seventy-four million, one hundred fifty-one thousand, one hundred thirty-eight".