74385150 has 48 divisors (see below), whose sum is σ = 210831744. Its totient is φ = 17002080.

The previous prime is 74385139. The next prime is 74385163. The reversal of 74385150 is 5158347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34372 + ... + 36471.

It is an arithmetic number, because the mean of its divisors is an integer number (4392328).

Almost surely, 2^74385150 is an apocalyptic number.

74385150 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74385150 is an abundant number, since it is smaller than the sum of its proper divisors (136446594).

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

74385150 is a wasteful number, since it uses less digits than its factorization.

74385150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70865 (or 70860 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 74385150 is about 8624.6826028556. The cubic root of 74385150 is about 420.5607589115.

The spelling of 74385150 in words is "seventy-four million, three hundred eighty-five thousand, one hundred fifty".