712756730 has 16 divisors (see below), whose sum is σ = 1466242560. Its totient is φ = 244373712.

The previous prime is 712756663. The next prime is 712756741. The reversal of 712756730 is 37657217.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5091050 + ... + 5091189.

It is an arithmetic number, because the mean of its divisors is an integer number (91640160).

Almost surely, 2^712756730 is an apocalyptic number.

712756730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

712756730 is an abundant number, since it is smaller than the sum of its proper divisors (753485830).

712756730 is a wasteful number, since it uses less digits than its factorization.

712756730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182253.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 712756730 is about 26697.5041904669. The cubic root of 712756730 is about 893.2652560372.

The spelling of 712756730 in words is "seven hundred twelve million, seven hundred fifty-six thousand, seven hundred thirty".