56740727 has 2 divisors, whose sum is σ = 56740728. Its totient is φ = 56740726.

The previous prime is 56740699. The next prime is 56740763. The reversal of 56740727 is 72704765.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56740727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56740777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28370363 + 28370364.

It is an arithmetic number, because the mean of its divisors is an integer number (28370364).

Almost surely, 2^56740727 is an apocalyptic number.

56740727 is a deficient number, since it is larger than the sum of its proper divisors (1).

56740727 is an equidigital number, since it uses as much as digits as its factorization.

56740727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 56740727 is about 7532.6440908887. The cubic root of 56740727 is about 384.2657101054.

The spelling of 56740727 in words is "fifty-six million, seven hundred forty thousand, seven hundred twenty-seven".