731724742 has 12 divisors (see below), whose sum is σ = 1276785180. Its totient is φ = 313596276.

The previous prime is 731724701. The next prime is 731724757. The reversal of 731724742 is 247427137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3733192 + ... + 3733387.

It is an arithmetic number, because the mean of its divisors is an integer number (106398765).

Almost surely, 2^731724742 is an apocalyptic number.

731724742 is a deficient number, since it is larger than the sum of its proper divisors (545060438).

731724742 is a wasteful number, since it uses less digits than its factorization.

731724742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466595 (or 7466588 counting only the distinct ones).

The product of its digits is 65856, while the sum is 37.

The square root of 731724742 is about 27050.4111244173. The cubic root of 731724742 is about 901.1198988999.

The spelling of 731724742 in words is "seven hundred thirty-one million, seven hundred twenty-four thousand, seven hundred forty-two".