76463939 has 2 divisors, whose sum is σ = 76463940. Its totient is φ = 76463938.

The previous prime is 76463929. The next prime is 76464013. The reversal of 76463939 is 93936467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76463939 - 2¹⁶ = 76398403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76463893 and 76463902.

It is not a weakly prime, because it can be changed into another prime (76463929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38231969 + 38231970.

It is an arithmetic number, because the mean of its divisors is an integer number (38231970).

Almost surely, 2^76463939 is an apocalyptic number.

76463939 is a deficient number, since it is larger than the sum of its proper divisors (1).

76463939 is an equidigital number, since it uses as much as digits as its factorization.

76463939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 47.

The square root of 76463939 is about 8744.3661291142. The cubic root of 76463939 is about 424.4425244383.

The spelling of 76463939 in words is "seventy-six million, four hundred sixty-three thousand, nine hundred thirty-nine".