674081540 has 48 divisors (see below), whose sum is σ = 1586015424. Its totient is φ = 238492800.

The previous prime is 674081521. The next prime is 674081581. The reversal of 674081540 is 45180476.

It is a self number, because there is not a number n which added to its sum of digits gives 674081540.

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, 33266 + ... + 49545.

It is an arithmetic number, because the mean of its divisors is an integer number (33041988).

Almost surely, 2^674081540 is an apocalyptic number.

It is an amenable number.

674081540 is an abundant number, since it is smaller than the sum of its proper divisors (911933884).

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

674081540 is a wasteful number, since it uses less digits than its factorization.

674081540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82868 (or 82866 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 674081540 is about 25963.0803257241. The cubic root of 674081540 is about 876.8072751924.

The spelling of 674081540 in words is "six hundred seventy-four million, eighty-one thousand, five hundred forty".