681470700 has 36 divisors (see below), whose sum is σ = 1971722760. Its totient is φ = 181725440.

The previous prime is 681470693. The next prime is 681470707. The reversal of 681470700 is 7074186.

It is an interprime number because it is at equal distance from previous prime (681470693) and next prime (681470707).

It is not an unprimeable number, because it can be changed into a prime (681470707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1135485 + ... + 1136084.

Almost surely, 2^681470700 is an apocalyptic number.

681470700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

681470700 is an abundant number, since it is smaller than the sum of its proper divisors (1290252060).

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

681470700 is a wasteful number, since it uses less digits than its factorization.

681470700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271586 (or 2271579 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 681470700 is about 26104.9937751381. The cubic root of 681470700 is about 879.9994404266. Note that the first 3 decimals are identical.

The spelling of 681470700 in words is "six hundred eighty-one million, four hundred seventy thousand, seven hundred".