76064689 has 2 divisors, whose sum is σ = 76064690. Its totient is φ = 76064688.

The previous prime is 76064663. The next prime is 76064719. The reversal of 76064689 is 98646067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46991025 + 29073664 = 6855^2 + 5392^2 .

It is a cyclic number.

It is not a de Polignac number, because 76064689 - 2¹⁷ = 75933617 is a prime.

It is not a weakly prime, because it can be changed into another prime (76064609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38032344 + 38032345.

It is an arithmetic number, because the mean of its divisors is an integer number (38032345).

Almost surely, 2^76064689 is an apocalyptic number.

It is an amenable number.

76064689 is a deficient number, since it is larger than the sum of its proper divisors (1).

76064689 is an equidigital number, since it uses as much as digits as its factorization.

76064689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 76064689 is about 8721.5072665222. The cubic root of 76064689 is about 423.7025046909.

The spelling of 76064689 in words is "seventy-six million, sixty-four thousand, six hundred eighty-nine".