742828784 has 60 divisors (see below), whose sum is σ = 1500200856. Its totient is φ = 356114304.

The previous prime is 742828777. The next prime is 742828811. The reversal of 742828784 is 487828247.

It is a super-3 number, since 3×742828784³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4293722 + ... + 4293894.

Almost surely, 2^742828784 is an apocalyptic number.

It is an amenable number.

742828784 is an abundant number, since it is smaller than the sum of its proper divisors (757372072).

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

742828784 is a wasteful number, since it uses less digits than its factorization.

742828784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 297 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 50.

The square root of 742828784 is about 27254.8855070059. The cubic root of 742828784 is about 905.6552478187.

The spelling of 742828784 in words is "seven hundred forty-two million, eight hundred twenty-eight thousand, seven hundred eighty-four".