74140154 has 16 divisors (see below), whose sum is σ = 121520736. Its totient is φ = 33644400.

The previous prime is 74140139. The next prime is 74140181. The reversal of 74140154 is 45104147.

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, 12764 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (7595046).

Almost surely, 2^74140154 is an apocalyptic number.

74140154 is a deficient number, since it is larger than the sum of its proper divisors (47380582).

74140154 is a wasteful number, since it uses less digits than its factorization.

74140154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 74140154 is about 8610.4676992600. The cubic root of 74140154 is about 420.0985294159.

The spelling of 74140154 in words is "seventy-four million, one hundred forty thousand, one hundred fifty-four".