682731972 has 72 divisors (see below), whose sum is σ = 1918542080. Its totient is φ = 203290560.

The previous prime is 682731961. The next prime is 682731991. The reversal of 682731972 is 279137286.

It is a super-2 number, since 2×682731972² = 932245891182017568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9022 + ... + 38037.

Almost surely, 2^682731972 is an apocalyptic number.

682731972 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

682731972 is an abundant number, since it is smaller than the sum of its proper divisors (1235810108).

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

682731972 is a wasteful number, since it uses less digits than its factorization.

682731972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47113 (or 47108 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 682731972 is about 26129.1402843645. The cubic root of 682731972 is about 880.5420094167.

The spelling of 682731972 in words is "six hundred eighty-two million, seven hundred thirty-one thousand, nine hundred seventy-two".