72813703 has 8 divisors (see below), whose sum is σ = 77310288. Its totient is φ = 68340864.

The previous prime is 72813701. The next prime is 72813709. The reversal of 72813703 is 30731827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72813703 - 2¹ = 72813701 is a prime.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600 + ... + 12082.

It is an arithmetic number, because the mean of its divisors is an integer number (9663786).

Almost surely, 2^72813703 is an apocalyptic number.

72813703 is a deficient number, since it is larger than the sum of its proper divisors (4496585).

72813703 is a wasteful number, since it uses less digits than its factorization.

72813703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11873.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 72813703 is about 8533.0945734827. The cubic root of 72813703 is about 417.5780924116.

The spelling of 72813703 in words is "seventy-two million, eight hundred thirteen thousand, seven hundred three".