674566530 has 48 divisors (see below), whose sum is σ = 1779527232. Its totient is φ = 163530400.

The previous prime is 674566523. The next prime is 674566537. The reversal of 674566530 is 35665476.

It is an interprime number because it is at equal distance from previous prime (674566523) and next prime (674566537).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674566537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89286 + ... + 96545.

It is an arithmetic number, because the mean of its divisors is an integer number (37073484).

Almost surely, 2^674566530 is an apocalyptic number.

674566530 is an abundant number, since it is smaller than the sum of its proper divisors (1104960702).

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

674566530 is a wasteful number, since it uses less digits than its factorization.

674566530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185863 (or 185852 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 674566530 is about 25972.4186397802. The cubic root of 674566530 is about 877.0175073334.

The spelling of 674566530 in words is "six hundred seventy-four million, five hundred sixty-six thousand, five hundred thirty".