1680627674 has 16 divisors (see below), whose sum is σ = 2752396416. Its totient is φ = 763288800.

The previous prime is 1680627671. The next prime is 1680627709. The reversal of 1680627674 is 4767260861.

It is a happy number.

It is a super-2 number, since 2×1680627674² = 5649018757229300552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1680627671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3947 + ... + 58110.

It is an arithmetic number, because the mean of its divisors is an integer number (172024776).

Almost surely, 2^1680627674 is an apocalyptic number.

1680627674 is a deficient number, since it is larger than the sum of its proper divisors (1071768742).

1680627674 is a wasteful number, since it uses less digits than its factorization.

1680627674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63301.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 1680627674 is about 40995.4591875734. The cubic root of 1680627674 is about 1188.9324215340.

The spelling of 1680627674 in words is "one billion, six hundred eighty million, six hundred twenty-seven thousand, six hundred seventy-four".