76257047 has 2 divisors, whose sum is σ = 76257048. Its totient is φ = 76257046.

The previous prime is 76257031. The next prime is 76257073. The reversal of 76257047 is 74075267.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76257047 - 2⁴ = 76257031 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76257047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76257647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38128523 + 38128524.

It is an arithmetic number, because the mean of its divisors is an integer number (38128524).

Almost surely, 2^76257047 is an apocalyptic number.

76257047 is a deficient number, since it is larger than the sum of its proper divisors (1).

76257047 is an equidigital number, since it uses as much as digits as its factorization.

76257047 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 76257047 is about 8732.5280990100. The cubic root of 76257047 is about 424.0593674288.

The spelling of 76257047 in words is "seventy-six million, two hundred fifty-seven thousand, forty-seven".