76932257 has 2 divisors, whose sum is σ = 76932258. Its totient is φ = 76932256.

The previous prime is 76932227. The next prime is 76932299. The reversal of 76932257 is 75223967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76457536 + 474721 = 8744^2 + 689^2 .

It is a cyclic number.

It is not a de Polignac number, because 76932257 - 2⁸ = 76932001 is a prime.

It is a super-2 number, since 2×76932257² = 11837144334228098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76932227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38466128 + 38466129.

It is an arithmetic number, because the mean of its divisors is an integer number (38466129).

Almost surely, 2^76932257 is an apocalyptic number.

It is an amenable number.

76932257 is a deficient number, since it is larger than the sum of its proper divisors (1).

76932257 is an equidigital number, since it uses as much as digits as its factorization.

76932257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 41.

The square root of 76932257 is about 8771.1035223625. The cubic root of 76932257 is about 425.3072878027.

The spelling of 76932257 in words is "seventy-six million, nine hundred thirty-two thousand, two hundred fifty-seven".