72726713 has 8 divisors (see below), whose sum is σ = 78337536. Its totient is φ = 67320000.

The previous prime is 72726683. The next prime is 72726727. The reversal of 72726713 is 31762727.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72726713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72726013) 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, 50288 + ... + 51713.

It is an arithmetic number, because the mean of its divisors is an integer number (9792192).

Almost surely, 2^72726713 is an apocalyptic number.

It is an amenable number.

72726713 is a deficient number, since it is larger than the sum of its proper divisors (5610823).

72726713 is a wasteful number, since it uses less digits than its factorization.

72726713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102055.

The product of its digits is 24696, while the sum is 35.

The square root of 72726713 is about 8527.9958372410. The cubic root of 72726713 is about 417.4117336441.

The spelling of 72726713 in words is "seventy-two million, seven hundred twenty-six thousand, seven hundred thirteen".