742648824 has 48 divisors (see below), whose sum is σ = 2085840120. Its totient is φ = 247548960.

The previous prime is 742648807. The next prime is 742648843. The reversal of 742648824 is 428846247.

It is a self number, because there is not a number n which added to its sum of digits gives 742648824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189067 + ... + 192954.

Almost surely, 2^742648824 is an apocalyptic number.

It is an amenable number.

742648824 is an abundant number, since it is smaller than the sum of its proper divisors (1343191296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742648824 is a wasteful number, since it uses less digits than its factorization.

742648824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382042 (or 382026 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 742648824 is about 27251.5838805747. The cubic root of 742648824 is about 905.5821062976.

The spelling of 742648824 in words is "seven hundred forty-two million, six hundred forty-eight thousand, eight hundred twenty-four".