72957050 has 12 divisors (see below), whose sum is σ = 135700206. Its totient is φ = 29182800.

The previous prime is 72957029. The next prime is 72957061. The reversal of 72957050 is 5075927.

It can be written as a sum of positive squares in 3 ways, for example, as 54715609 + 18241441 = 7397^2 + 4271^2 .

It is a super-2 number, since 2×72957050² = 10645462289405000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72957050.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729521 + ... + 729620.

Almost surely, 2^72957050 is an apocalyptic number.

72957050 is a deficient number, since it is larger than the sum of its proper divisors (62743156).

72957050 is a wasteful number, since it uses less digits than its factorization.

72957050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459153 (or 1459148 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 72957050 is about 8541.4899168705. The cubic root of 72957050 is about 417.8519388921.

The spelling of 72957050 in words is "seventy-two million, nine hundred fifty-seven thousand, fifty".