712135660 has 24 divisors (see below), whose sum is σ = 1560506976. Its totient is φ = 272469120.

The previous prime is 712135657. The next prime is 712135663. The reversal of 712135660 is 66531217.

It is an interprime number because it is at equal distance from previous prime (712135657) and next prime (712135663).

It is not an unprimeable number, because it can be changed into a prime (712135663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773601 + ... + 774520.

It is an arithmetic number, because the mean of its divisors is an integer number (65021124).

Almost surely, 2^712135660 is an apocalyptic number.

It is an amenable number.

712135660 is an abundant number, since it is smaller than the sum of its proper divisors (848371316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712135660 is a wasteful number, since it uses less digits than its factorization.

712135660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548153 (or 1548151 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 712135660 is about 26685.8700439015. The cubic root of 712135660 is about 893.0057278113.

Adding to 712135660 its reverse (66531217), we get a palindrome (778666877).

The spelling of 712135660 in words is "seven hundred twelve million, one hundred thirty-five thousand, six hundred sixty".