680073730 has 16 divisors (see below), whose sum is σ = 1399008960. Its totient is φ = 233168112.

The previous prime is 680073701. The next prime is 680073733. The reversal of 680073730 is 37370086.

It is a super-2 number, since 2×680073730² = 925000556472225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680073733) 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, 4857600 + ... + 4857739.

It is an arithmetic number, because the mean of its divisors is an integer number (87438060).

Almost surely, 2^680073730 is an apocalyptic number.

680073730 is an abundant number, since it is smaller than the sum of its proper divisors (718935230).

680073730 is a wasteful number, since it uses less digits than its factorization.

680073730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715353.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 680073730 is about 26078.2232907075. The cubic root of 680073730 is about 879.3977154646.

The spelling of 680073730 in words is "six hundred eighty million, seventy-three thousand, seven hundred thirty".