750030640 has 20 divisors (see below), whose sum is σ = 1743821424. Its totient is φ = 300012224.

The previous prime is 750030623. The next prime is 750030691. The reversal of 750030640 is 46030057.

It is a tau number, because it is divible by the number of its divisors (20).

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, 4687612 + ... + 4687771.

Almost surely, 2^750030640 is an apocalyptic number.

It is an amenable number.

750030640 is an abundant number, since it is smaller than the sum of its proper divisors (993790784).

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

750030640 is a wasteful number, since it uses less digits than its factorization.

750030640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9375396 (or 9375390 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 750030640 is about 27386.6872768504. The cubic root of 750030640 is about 908.5726688198.

Adding to 750030640 its reverse (46030057), we get a palindrome (796060697).

The spelling of 750030640 in words is "seven hundred fifty million, thirty thousand, six hundred forty".