76673939 has 2 divisors, whose sum is σ = 76673940. Its totient is φ = 76673938.

The previous prime is 76673923. The next prime is 76673957. The reversal of 76673939 is 93937667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76673939 - 2⁴ = 76673923 is a prime.

It is not a weakly prime, because it can be changed into another prime (76673959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38336969 + 38336970.

It is an arithmetic number, because the mean of its divisors is an integer number (38336970).

Almost surely, 2^76673939 is an apocalyptic number.

76673939 is a deficient number, since it is larger than the sum of its proper divisors (1).

76673939 is an equidigital number, since it uses as much as digits as its factorization.

76673939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 50.

The square root of 76673939 is about 8756.3656273593. The cubic root of 76673939 is about 424.8307312086.

The spelling of 76673939 in words is "seventy-six million, six hundred seventy-three thousand, nine hundred thirty-nine".