730998390 has 32 divisors (see below), whose sum is σ = 1755393120. Its totient is φ = 194822144.

The previous prime is 730998371. The next prime is 730998407. The reversal of 730998390 is 93899037.

730998390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56182 + ... + 67958.

It is an arithmetic number, because the mean of its divisors is an integer number (54856035).

Almost surely, 2^730998390 is an apocalyptic number.

730998390 is an abundant number, since it is smaller than the sum of its proper divisors (1024394730).

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

730998390 is a wasteful number, since it uses less digits than its factorization.

730998390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13856.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 730998390 is about 27036.9818951746. The cubic root of 730998390 is about 900.8216323991.

The spelling of 730998390 in words is "seven hundred thirty million, nine hundred ninety-eight thousand, three hundred ninety".