680447034 has 32 divisors (see below), whose sum is σ = 1514533440. Its totient is φ = 226451376.

The previous prime is 680447023. The next prime is 680447041. The reversal of 680447034 is 430744086.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 680447034.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24924 + ... + 44520.

It is an arithmetic number, because the mean of its divisors is an integer number (47329170).

Almost surely, 2^680447034 is an apocalyptic number.

680447034 is an abundant number, since it is smaller than the sum of its proper divisors (834086406).

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

680447034 is a wasteful number, since it uses less digits than its factorization.

680447034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20251 (or 20245 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 680447034 is about 26085.3796982141. The cubic root of 680447034 is about 879.5585914706.

It can be divided in two parts, 68044 and 7034, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 680447034 in words is "six hundred eighty million, four hundred forty-seven thousand, thirty-four".