730878528 has 28 divisors (see below), whose sum is σ = 1933783280. Its totient is φ = 243626112.

The previous prime is 730878527. The next prime is 730878553. The reversal of 730878528 is 825878037.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (730878527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903138 + ... + 1903521.

Almost surely, 2^730878528 is an apocalyptic number.

It is an amenable number.

730878528 is an abundant number, since it is smaller than the sum of its proper divisors (1202904752).

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

730878528 is a wasteful number, since it uses less digits than its factorization.

730878528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806674 (or 3806664 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 730878528 is about 27034.7651737536. The cubic root of 730878528 is about 900.7723937204.

The spelling of 730878528 in words is "seven hundred thirty million, eight hundred seventy-eight thousand, five hundred twenty-eight".