674867680 has 24 divisors (see below), whose sum is σ = 1594375272. Its totient is φ = 269947008.

The previous prime is 674867659. The next prime is 674867681. The reversal of 674867680 is 86768476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674867681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108802 + ... + 2109121.

It is an arithmetic number, because the mean of its divisors is an integer number (66432303).

Almost surely, 2^674867680 is an apocalyptic number.

It is an amenable number.

674867680 is an abundant number, since it is smaller than the sum of its proper divisors (919507592).

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

674867680 is a wasteful number, since it uses less digits than its factorization.

674867680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217938 (or 4217930 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 674867680 is about 25978.2154891363. The cubic root of 674867680 is about 877.1479983066.

The spelling of 674867680 in words is "six hundred seventy-four million, eight hundred sixty-seven thousand, six hundred eighty".