76423657 has 2 divisors, whose sum is σ = 76423658. Its totient is φ = 76423656.

The previous prime is 76423651. The next prime is 76423663. The reversal of 76423657 is 75632467.

It is a balanced prime because it is at equal distance from previous prime (76423651) and next prime (76423663).

It can be written as a sum of positive squares in only one way, i.e., 55666521 + 20757136 = 7461^2 + 4556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76423657 is a prime.

It is not a weakly prime, because it can be changed into another prime (76423651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38211828 + 38211829.

It is an arithmetic number, because the mean of its divisors is an integer number (38211829).

Almost surely, 2^76423657 is an apocalyptic number.

It is an amenable number.

76423657 is a deficient number, since it is larger than the sum of its proper divisors (1).

76423657 is an equidigital number, since it uses as much as digits as its factorization.

76423657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 40.

The square root of 76423657 is about 8742.0625140753. The cubic root of 76423657 is about 424.3679777643.

The spelling of 76423657 in words is "seventy-six million, four hundred twenty-three thousand, six hundred fifty-seven".