731768630 has 16 divisors (see below), whose sum is σ = 1317574080. Its totient is φ = 292620672.

The previous prime is 731768599. The next prime is 731768657. The reversal of 731768630 is 36867137.

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 7 ways as a sum of consecutive naturals, for example, 33011 + ... + 50529.

It is an arithmetic number, because the mean of its divisors is an integer number (82348380).

Almost surely, 2^731768630 is an apocalyptic number.

731768630 is a deficient number, since it is larger than the sum of its proper divisors (585805450).

731768630 is a wasteful number, since it uses less digits than its factorization.

731768630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21703.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 731768630 is about 27051.2223383713. Note that the first 3 decimals coincide. The cubic root of 731768630 is about 901.1379145813.

The spelling of 731768630 in words is "seven hundred thirty-one million, seven hundred sixty-eight thousand, six hundred thirty".