712415660 has 48 divisors (see below), whose sum is σ = 1666828800. Its totient is φ = 253544640.

The previous prime is 712415611. The next prime is 712415663. The reversal of 712415660 is 66514217.

It is a super-2 number, since 2×712415660² = 1015072145226471200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (712415663) 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, 24110 + ... + 44789.

It is an arithmetic number, because the mean of its divisors is an integer number (34725600).

Almost surely, 2^712415660 is an apocalyptic number.

It is an amenable number.

712415660 is an abundant number, since it is smaller than the sum of its proper divisors (954413140).

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

712415660 is a wasteful number, since it uses less digits than its factorization.

712415660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68966 (or 68964 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 712415660 is about 26691.1157503766. The cubic root of 712415660 is about 893.1227508516.

Adding to 712415660 its reverse (66514217), we get a palindrome (778929877).

The spelling of 712415660 in words is "seven hundred twelve million, four hundred fifteen thousand, six hundred sixty".