72813702 has 32 divisors (see below), whose sum is σ = 157651200. Its totient is φ = 22286880.

The previous prime is 72813701. The next prime is 72813709. The reversal of 72813702 is 20731827.

It is a self number, because there is not a number n which added to its sum of digits gives 72813702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72813701) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13177 + ... + 17867.

It is an arithmetic number, because the mean of its divisors is an integer number (4926600).

Almost surely, 2^72813702 is an apocalyptic number.

72813702 is an abundant number, since it is smaller than the sum of its proper divisors (84837498).

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

72813702 is a wasteful number, since it uses less digits than its factorization.

72813702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 72813702 is about 8533.0945148873. The cubic root of 72813702 is about 417.5780905000.

The spelling of 72813702 in words is "seventy-two million, eight hundred thirteen thousand, seven hundred two".