72994196 has 36 divisors (see below), whose sum is σ = 142570176. Its totient is φ = 32430000.

The previous prime is 72994193. The next prime is 72994199. The reversal of 72994196 is 69149927.

It is an interprime number because it is at equal distance from previous prime (72994193) and next prime (72994199).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 72994196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72994193) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 96821 + ... + 97571.

Almost surely, 2^72994196 is an apocalyptic number.

It is an amenable number.

72994196 is a deficient number, since it is larger than the sum of its proper divisors (69575980).

72994196 is a wasteful number, since it uses less digits than its factorization.

72994196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 811 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 72994196 is about 8543.6640851569. The cubic root of 72994196 is about 417.9228431415.

It can be divided in two parts, 729941 and 96, that added together give a palindrome (730037).

The spelling of 72994196 in words is "seventy-two million, nine hundred ninety-four thousand, one hundred ninety-six".