730321932 has 24 divisors (see below), whose sum is σ = 1759055872. Its totient is φ = 235587600.

The previous prime is 730321931. The next prime is 730321939. The reversal of 730321932 is 239123037.

It is a self number, because there is not a number n which added to its sum of digits gives 730321932.

It is not an unprimeable number, because it can be changed into a prime (730321931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981244 + ... + 981987.

Almost surely, 2^730321932 is an apocalyptic number.

It is an amenable number.

730321932 is an abundant number, since it is smaller than the sum of its proper divisors (1028733940).

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

730321932 is a wasteful number, since it uses less digits than its factorization.

730321932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963269 (or 1963267 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 730321932 is about 27024.4691344714. The cubic root of 730321932 is about 900.5436764454.

Adding to 730321932 its reverse (239123037), we get a palindrome (969444969).

The spelling of 730321932 in words is "seven hundred thirty million, three hundred twenty-one thousand, nine hundred thirty-two".