674580 has 24 divisors (see below), whose sum is σ = 1888992. Its totient is φ = 179872.

The previous prime is 674563. The next prime is 674603. The reversal of 674580 is 85476.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

674580 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5562 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (78708).

2⁶⁷⁴⁵⁸⁰ is an apocalyptic number.

674580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674580 is an abundant number, since it is smaller than the sum of its proper divisors (1214412).

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

674580 is a wasteful number, since it uses less digits than its factorization.

674580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255 (or 11253 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 674580 is about 821.3281926246. The cubic root of 674580 is about 87.7023344834.

The spelling of 674580 in words is "six hundred seventy-four thousand, five hundred eighty".