712771866 has 32 divisors (see below), whose sum is σ = 1585785600. Its totient is φ = 237313440.

The previous prime is 712771849. The next prime is 712771919. The reversal of 712771866 is 668177217.

It is a super-2 number, since 2×712771866² = 1016087465922243912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41950 + ... + 56438.

It is an arithmetic number, because the mean of its divisors is an integer number (49555800).

Almost surely, 2^712771866 is an apocalyptic number.

712771866 is an abundant number, since it is smaller than the sum of its proper divisors (873013734).

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

712771866 is a wasteful number, since it uses less digits than its factorization.

712771866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411 (or 15405 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 712771866 is about 26697.7876611527. The cubic root of 712771866 is about 893.2715790769.

The spelling of 712771866 in words is "seven hundred twelve million, seven hundred seventy-one thousand, eight hundred sixty-six".