730556772 has 48 divisors (see below), whose sum is σ = 1885814784. Its totient is φ = 218260000.

The previous prime is 730556699. The next prime is 730556773. The reversal of 730556772 is 277655037.

730556772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (730556773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29604 + ... + 48347.

It is an arithmetic number, because the mean of its divisors is an integer number (39287808).

Almost surely, 2^730556772 is an apocalyptic number.

It is an amenable number.

730556772 is an abundant number, since it is smaller than the sum of its proper divisors (1155258012).

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

730556772 is a wasteful number, since it uses less digits than its factorization.

730556772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78040 (or 78038 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 42.

The square root of 730556772 is about 27028.8137364554. The cubic root of 730556772 is about 900.6401914222.

The spelling of 730556772 in words is "seven hundred thirty million, five hundred fifty-six thousand, seven hundred seventy-two".