730246920 has 64 divisors (see below), whose sum is σ = 2359264320. Its totient is φ = 179752704.

The previous prime is 730246919. The next prime is 730246927. The reversal of 730246920 is 29642037.

It is not an unprimeable number, because it can be changed into a prime (730246927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232494 + ... + 235613.

It is an arithmetic number, because the mean of its divisors is an integer number (36863505).

Almost surely, 2^730246920 is an apocalyptic number.

It is an amenable number.

730246920 is an abundant number, since it is smaller than the sum of its proper divisors (1629017400).

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

730246920 is a wasteful number, since it uses less digits than its factorization.

730246920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468134 (or 468130 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 730246920 is about 27023.0812454835. The cubic root of 730246920 is about 900.5128435153.

Adding to 730246920 its reverse (29642037), we get a palindrome (759888957).

The spelling of 730246920 in words is "seven hundred thirty million, two hundred forty-six thousand, nine hundred twenty".