712137670 has 32 divisors (see below), whose sum is σ = 1372204800. Its totient is φ = 265284576.

The previous prime is 712137653. The next prime is 712137677. The reversal of 712137670 is 76731217.

It is a super-2 number, since 2×712137670² = 1014280122066057800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712137677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20554 + ... + 42973.

It is an arithmetic number, because the mean of its divisors is an integer number (42881400).

Almost surely, 2^712137670 is an apocalyptic number.

712137670 is a deficient number, since it is larger than the sum of its proper divisors (660067130).

712137670 is a wasteful number, since it uses less digits than its factorization.

712137670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63612.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 712137670 is about 26685.9077042547. The cubic root of 712137670 is about 893.0065679788.

Adding to 712137670 its reverse (76731217), we get a palindrome (788868887).

The spelling of 712137670 in words is "seven hundred twelve million, one hundred thirty-seven thousand, six hundred seventy".