712089634 has 4 divisors (see below), whose sum is σ = 1068134454. Its totient is φ = 356044816.

The previous prime is 712089607. The next prime is 712089649. The reversal of 712089634 is 436980217.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 475022025 + 237067609 = 21795^2 + 15397^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178022407 + ... + 178022410.

Almost surely, 2^712089634 is an apocalyptic number.

712089634 is a deficient number, since it is larger than the sum of its proper divisors (356044820).

712089634 is a wasteful number, since it uses less digits than its factorization.

712089634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356044819.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 712089634 is about 26685.0076634803. The cubic root of 712089634 is about 892.9864887957.

The spelling of 712089634 in words is "seven hundred twelve million, eighty-nine thousand, six hundred thirty-four".