730330380 has 72 divisors (see below), whose sum is σ = 2385753552. Its totient is φ = 179773056.

The previous prime is 730330373. The next prime is 730330397. The reversal of 730330380 is 83033037.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153714 + ... + 158393.

It is an arithmetic number, because the mean of its divisors is an integer number (33135466).

Almost surely, 2^730330380 is an apocalyptic number.

It is an amenable number.

730330380 is an abundant number, since it is smaller than the sum of its proper divisors (1655423172).

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

730330380 is a wasteful number, since it uses less digits than its factorization.

730330380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312135 (or 312130 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 730330380 is about 27024.6254368123. The cubic root of 730330380 is about 900.5471487788.

The spelling of 730330380 in words is "seven hundred thirty million, three hundred thirty thousand, three hundred eighty".