712530666 has 24 divisors (see below), whose sum is σ = 1625070720. Its totient is φ = 225009576.

The previous prime is 712530661. The next prime is 712530703. The reversal of 712530666 is 666035217.

It is a self number, because there is not a number n which added to its sum of digits gives 712530666.

It is not an unprimeable number, because it can be changed into a prime (712530661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1041370 + ... + 1042053.

It is an arithmetic number, because the mean of its divisors is an integer number (67711280).

Almost surely, 2^712530666 is an apocalyptic number.

712530666 is an abundant number, since it is smaller than the sum of its proper divisors (912540054).

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

712530666 is a wasteful number, since it uses less digits than its factorization.

712530666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083450 (or 2083447 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 712530666 is about 26693.2700507075. The cubic root of 712530666 is about 893.1708075102.

The spelling of 712530666 in words is "seven hundred twelve million, five hundred thirty thousand, six hundred sixty-six".