72707 has 2 divisors, whose sum is σ = 72708. Its totient is φ = 72706.

The previous prime is 72701. The next prime is 72719. The reversal of 72707 is 70727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72707 - 2⁶ = 72643 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 72707.

It is not a weakly prime, because it can be changed into another prime (72701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36353 + 36354.

It is an arithmetic number, because the mean of its divisors is an integer number (36354).

2⁷²⁷⁰⁷ is an apocalyptic number.

72707 is a deficient number, since it is larger than the sum of its proper divisors (1).

72707 is an equidigital number, since it uses as much as digits as its factorization.

72707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 686, while the sum is 23.

The square root of 72707 is about 269.6423557233. The cubic root of 72707 is about 41.7374016274.

The spelling of 72707 in words is "seventy-two thousand, seven hundred seven", and thus it is an iban number.