674916540 has 24 divisors (see below), whose sum is σ = 1889766480. Its totient is φ = 179977728.

The previous prime is 674916521. The next prime is 674916551. The reversal of 674916540 is 45619476.

It is a junction number, because it is equal to n+sod(n) for n = 674916492 and 674916501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5624245 + ... + 5624364.

It is an arithmetic number, because the mean of its divisors is an integer number (78740270).

Almost surely, 2^674916540 is an apocalyptic number.

674916540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674916540 is an abundant number, since it is smaller than the sum of its proper divisors (1214849940).

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

674916540 is a wasteful number, since it uses less digits than its factorization.

674916540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248621 (or 11248619 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 674916540 is about 25979.1558754321. The cubic root of 674916540 is about 877.1691661188.

The spelling of 674916540 in words is "six hundred seventy-four million, nine hundred sixteen thousand, five hundred forty".