712445631 has 8 divisors (see below), whose sum is σ = 991228800. Its totient is φ = 454313112.

The previous prime is 712445593. The next prime is 712445647. The reversal of 712445631 is 136544217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 712445631 - 2⁶ = 712445567 is a prime.

It is a super-2 number, since 2×712445631² = 1015157554261976322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 712445592 and 712445601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712445651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5162581 + ... + 5162718.

It is an arithmetic number, because the mean of its divisors is an integer number (123903600).

Almost surely, 2^712445631 is an apocalyptic number.

712445631 is a deficient number, since it is larger than the sum of its proper divisors (278783169).

712445631 is a wasteful number, since it uses less digits than its factorization.

712445631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325325.

The product of its digits is 20160, while the sum is 33.

The square root of 712445631 is about 26691.6771859694. The cubic root of 712445631 is about 893.1352750975.

Adding to 712445631 its reverse (136544217), we get a palindrome (848989848).

The spelling of 712445631 in words is "seven hundred twelve million, four hundred forty-five thousand, six hundred thirty-one".