1680074 has 8 divisors (see below), whose sum is σ = 2749248. Its totient is φ = 763660.

The previous prime is 1680071. The next prime is 1680079. The reversal of 1680074 is 4700861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1680071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38162 + ... + 38205.

It is an arithmetic number, because the mean of its divisors is an integer number (343656).

2^1680074 is an apocalyptic number.

1680074 is a deficient number, since it is larger than the sum of its proper divisors (1069174).

1680074 is a wasteful number, since it uses less digits than its factorization.

1680074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76380.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1680074 is about 1296.1766854870. The cubic root of 1680074 is about 118.8801844670.

The spelling of 1680074 in words is "one million, six hundred eighty thousand, seventy-four".