674794780 has 48 divisors (see below), whose sum is σ = 1549951200. Its totient is φ = 244736000.

The previous prime is 674794777. The next prime is 674794793. The reversal of 674794780 is 87497476.

It is a congruent number.

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, 84396 + ... + 92044.

It is an arithmetic number, because the mean of its divisors is an integer number (32290650).

Almost surely, 2^674794780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674794780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774975600).

674794780 is an abundant number, since it is smaller than the sum of its proper divisors (875156420).

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

674794780 is a wasteful number, since it uses less digits than its factorization.

674794780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070 (or 8068 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 674794780 is about 25976.8123525578. The cubic root of 674794780 is about 877.1164136500.

The spelling of 674794780 in words is "six hundred seventy-four million, seven hundred ninety-four thousand, seven hundred eighty".