762730728 has 32 divisors (see below), whose sum is σ = 1958364960. Its totient is φ = 247371840.

The previous prime is 762730723. The next prime is 762730729. The reversal of 762730728 is 827037267.

It is a self number, because there is not a number n which added to its sum of digits gives 762730728.

It is not an unprimeable number, because it can be changed into a prime (762730723) 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, 428578 + ... + 430353.

It is an arithmetic number, because the mean of its divisors is an integer number (61198905).

Almost surely, 2^762730728 is an apocalyptic number.

It is an amenable number.

762730728 is an abundant number, since it is smaller than the sum of its proper divisors (1195634232).

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

762730728 is a wasteful number, since it uses less digits than its factorization.

762730728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858977 (or 858973 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 762730728 is about 27617.5800532921. The cubic root of 762730728 is about 913.6722071179.

The spelling of 762730728 in words is "seven hundred sixty-two million, seven hundred thirty thousand, seven hundred twenty-eight".