72157050 has 72 divisors (see below), whose sum is σ = 221566176. Its totient is φ = 16492320.

The previous prime is 72157037. The next prime is 72157073. The reversal of 72157050 is 5075127.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8304 + ... + 14603.

It is an arithmetic number, because the mean of its divisors is an integer number (3077308).

Almost surely, 2^72157050 is an apocalyptic number.

72157050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72157050 is an abundant number, since it is smaller than the sum of its proper divisors (149409126).

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

72157050 is a wasteful number, since it uses less digits than its factorization.

72157050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932 (or 22924 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 72157050 is about 8494.5305932700. The cubic root of 72157050 is about 416.3190238051.

The spelling of 72157050 in words is "seventy-two million, one hundred fifty-seven thousand, fifty".