72774150 has 24 divisors (see below), whose sum is σ = 180480264. Its totient is φ = 19406400.

The previous prime is 72774131. The next prime is 72774167. The reversal of 72774150 is 5147727.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242431 + ... + 242730.

It is an arithmetic number, because the mean of its divisors is an integer number (7520011).

Almost surely, 2^72774150 is an apocalyptic number.

72774150 is an abundant number, since it is smaller than the sum of its proper divisors (107706114).

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

72774150 is a wasteful number, since it uses less digits than its factorization.

72774150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485176 (or 485171 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 72774150 is about 8530.7766352191. The cubic root of 72774150 is about 417.5024681031.

The spelling of 72774150 in words is "seventy-two million, seven hundred seventy-four thousand, one hundred fifty".