712630979 has 2 divisors, whose sum is σ = 712630980. Its totient is φ = 712630978.

The previous prime is 712630943. The next prime is 712631009. The reversal of 712630979 is 979036217.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 712630979 - 2¹² = 712626883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (712630679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356315489 + 356315490.

It is an arithmetic number, because the mean of its divisors is an integer number (356315490).

Almost surely, 2^712630979 is an apocalyptic number.

712630979 is a deficient number, since it is larger than the sum of its proper divisors (1).

712630979 is an equidigital number, since it uses as much as digits as its factorization.

712630979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 712630979 is about 26695.1489787939. The cubic root of 712630979 is about 893.2127202976.

The spelling of 712630979 in words is "seven hundred twelve million, six hundred thirty thousand, nine hundred seventy-nine".