742815008 has 24 divisors (see below), whose sum is σ = 1574911548. Its totient is φ = 342837504.

The previous prime is 742814977. The next prime is 742815011. The reversal of 742815008 is 800518247.

It can be written as a sum of positive squares in 2 ways, for example, as 718883344 + 23931664 = 26812^2 + 4892^2 .

It is a super-2 number, since 2×742815008² = 1103548272220080128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892391 + ... + 893222.

Almost surely, 2^742815008 is an apocalyptic number.

It is an amenable number.

742815008 is an abundant number, since it is smaller than the sum of its proper divisors (832096540).

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

742815008 is a wasteful number, since it uses less digits than its factorization.

742815008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785636 (or 1785628 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 742815008 is about 27254.6327805017. The cubic root of 742815008 is about 905.6496492277.

The spelling of 742815008 in words is "seven hundred forty-two million, eight hundred fifteen thousand, eight".