730664632 has 16 divisors (see below), whose sum is σ = 1399145760. Its totient is φ = 357559104.

The previous prime is 730664617. The next prime is 730664639. The reversal of 730664632 is 236466037.

730664632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 730664591 and 730664600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730664639) 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, 971253 + ... + 972004.

It is an arithmetic number, because the mean of its divisors is an integer number (87446610).

Almost surely, 2^730664632 is an apocalyptic number.

It is an amenable number.

730664632 is a deficient number, since it is larger than the sum of its proper divisors (668481128).

730664632 is a wasteful number, since it uses less digits than its factorization.

730664632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943310 (or 1943306 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 730664632 is about 27030.8089409104. The cubic root of 730664632 is about 900.6845129928.

The spelling of 730664632 in words is "seven hundred thirty million, six hundred sixty-four thousand, six hundred thirty-two".