742639712 has 12 divisors (see below), whose sum is σ = 1462071996. Its totient is φ = 371319840.

The previous prime is 742639697. The next prime is 742639741. The reversal of 742639712 is 217936247.

It is a self number, because there is not a number n which added to its sum of digits gives 742639712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11603714 + ... + 11603777.

It is an arithmetic number, because the mean of its divisors is an integer number (121839333).

Almost surely, 2^742639712 is an apocalyptic number.

It is an amenable number.

742639712 is a deficient number, since it is larger than the sum of its proper divisors (719432284).

742639712 is a wasteful number, since it uses less digits than its factorization.

742639712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23207501 (or 23207493 counting only the distinct ones).

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

The square root of 742639712 is about 27251.4166971187. The cubic root of 742639712 is about 905.5784025740.

The spelling of 742639712 in words is "seven hundred forty-two million, six hundred thirty-nine thousand, seven hundred twelve".