742787312 has 20 divisors (see below), whose sum is σ = 1444891896. Its totient is φ = 369912000.

The previous prime is 742787299. The next prime is 742787347. The reversal of 742787312 is 213787247.

It is a self number, because there is not a number n which added to its sum of digits gives 742787312.

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 in 3 ways as a sum of consecutive naturals, for example, 88463 + ... + 96494.

Almost surely, 2^742787312 is an apocalyptic number.

It is an amenable number.

742787312 is a deficient number, since it is larger than the sum of its proper divisors (702104584).

742787312 is a wasteful number, since it uses less digits than its factorization.

742787312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185216 (or 185210 counting only the distinct ones).

The product of its digits is 131712, while the sum is 41.

The square root of 742787312 is about 27254.1246786610. The cubic root of 742787312 is about 905.6383933142.

The spelling of 742787312 in words is "seven hundred forty-two million, seven hundred eighty-seven thousand, three hundred twelve".