730988 has 6 divisors (see below), whose sum is σ = 1279236. Its totient is φ = 365492.

The previous prime is 730973. The next prime is 730993. The reversal of 730988 is 889037.

It is a super-2 number, since 2×730988² = 1068686912288, which contains 22 as substring.

It is an unprimeable number.

730988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91370 + ... + 91377.

It is an arithmetic number, because the mean of its divisors is an integer number (213206).

2⁷³⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

730988 is a deficient number, since it is larger than the sum of its proper divisors (548248).

730988 is a wasteful number, since it uses less digits than its factorization.

730988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182751 (or 182749 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 730988 is about 854.9783622993. The cubic root of 730988 is about 90.0817364455.

The spelling of 730988 in words is "seven hundred thirty thousand, nine hundred eighty-eight".