742915772 has 12 divisors (see below), whose sum is σ = 1308713616. Its totient is φ = 368997600.

The previous prime is 742915741. The next prime is 742915843. The reversal of 742915772 is 277519247.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 614393 + ... + 615600.

It is an arithmetic number, because the mean of its divisors is an integer number (109059468).

Almost surely, 2^742915772 is an apocalyptic number.

It is an amenable number.

742915772 is a deficient number, since it is larger than the sum of its proper divisors (565797844).

742915772 is a wasteful number, since it uses less digits than its factorization.

742915772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230148 (or 1230146 counting only the distinct ones).

The product of its digits is 246960, while the sum is 44.

The square root of 742915772 is about 27256.4812842744. The cubic root of 742915772 is about 905.6905982994.

The spelling of 742915772 in words is "seven hundred forty-two million, nine hundred fifteen thousand, seven hundred seventy-two".