3457680 has 40 divisors (see below), whose sum is σ = 10719552. Its totient is φ = 921984.

The previous prime is 3457651. The next prime is 3457703. The reversal of 3457680 is 867543.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6964 + ... + 7443.

Almost surely, 2^3457680 is an apocalyptic number.

3457680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3457680 is an abundant number, since it is smaller than the sum of its proper divisors (7261872).

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

3457680 is a wasteful number, since it uses less digits than its factorization.

3457680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14423 (or 14417 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3457680 is about 1859.4837993379. The cubic root of 3457680 is about 151.2150204837.

The spelling of 3457680 in words is "three million, four hundred fifty-seven thousand, six hundred eighty".