730324380 has 48 divisors (see below), whose sum is σ = 2050826400. Its totient is φ = 194189568.

The previous prime is 730324379. The next prime is 730324393. The reversal of 730324380 is 83423037.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3502 + ... + 38378.

It is an arithmetic number, because the mean of its divisors is an integer number (42725550).

Almost surely, 2^730324380 is an apocalyptic number.

It is an amenable number.

730324380 is an abundant number, since it is smaller than the sum of its proper divisors (1320502020).

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

730324380 is a wasteful number, since it uses less digits than its factorization.

730324380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35238 (or 35236 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 730324380 is about 27024.5144267200. The cubic root of 730324380 is about 900.5446826357.

The spelling of 730324380 in words is "seven hundred thirty million, three hundred twenty-four thousand, three hundred eighty".