730078572 has 24 divisors (see below), whose sum is σ = 1793176000. Its totient is φ = 230551056.

The previous prime is 730078519. The next prime is 730078577. The reversal of 730078572 is 275870037.

It is a self number, because there is not a number n which added to its sum of digits gives 730078572.

It is not an unprimeable number, because it can be changed into a prime (730078577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600822 + ... + 1601277.

Almost surely, 2^730078572 is an apocalyptic number.

It is an amenable number.

730078572 is an abundant number, since it is smaller than the sum of its proper divisors (1063097428).

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

730078572 is a wasteful number, since it uses less digits than its factorization.

730078572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202125 (or 3202123 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 730078572 is about 27019.9661731839. The cubic root of 730078572 is about 900.4436380711.

The spelling of 730078572 in words is "seven hundred thirty million, seventy-eight thousand, five hundred seventy-two".