730667232 has 72 divisors (see below), whose sum is σ = 2128548240. Its totient is φ = 237611520.

The previous prime is 730667207. The next prime is 730667233. The reversal of 730667232 is 232766037.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730667233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19132 + ... + 42747.

It is an arithmetic number, because the mean of its divisors is an integer number (29563170).

Almost surely, 2^730667232 is an apocalyptic number.

730667232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

730667232 is an abundant number, since it is smaller than the sum of its proper divisors (1397881008).

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

730667232 is a wasteful number, since it uses less digits than its factorization.

730667232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61936 (or 61925 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 730667232 is about 27030.8570341379. The cubic root of 730667232 is about 900.6855813247.

The spelling of 730667232 in words is "seven hundred thirty million, six hundred sixty-seven thousand, two hundred thirty-two".