712739830 has 32 divisors (see below), whose sum is σ = 1413440928. Its totient is φ = 256608000.

The previous prime is 712739803. The next prime is 712739887. The reversal of 712739830 is 38937217.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20967 + ... + 43186.

It is an arithmetic number, because the mean of its divisors is an integer number (44170029).

Almost surely, 2^712739830 is an apocalyptic number.

712739830 is a deficient number, since it is larger than the sum of its proper divisors (700701098).

712739830 is a wasteful number, since it uses less digits than its factorization.

712739830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64272.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 712739830 is about 26697.1876796040. The cubic root of 712739830 is about 893.2581959836.

The spelling of 712739830 in words is "seven hundred twelve million, seven hundred thirty-nine thousand, eight hundred thirty".