72996850 has 12 divisors (see below), whose sum is σ = 135774234. Its totient is φ = 29198720.

The previous prime is 72996839. The next prime is 72996853. The reversal of 72996850 is 5869927.

It can be written as a sum of positive squares in 3 ways, for example, as 64754209 + 8242641 = 8047^2 + 2871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72996850.

It is not an unprimeable number, because it can be changed into a prime (72996853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729919 + ... + 730018.

Almost surely, 2^72996850 is an apocalyptic number.

72996850 is a deficient number, since it is larger than the sum of its proper divisors (62777384).

72996850 is a wasteful number, since it uses less digits than its factorization.

72996850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459949 (or 1459944 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 72996850 is about 8543.8194035221. The cubic root of 72996850 is about 417.9279081734.

It can be divided in two parts, 729 and 96850, that added together give a palindrome (97579).

The spelling of 72996850 in words is "seventy-two million, nine hundred ninety-six thousand, eight hundred fifty".