674732530 has 32 divisors (see below), whose sum is σ = 1229722560. Its totient is φ = 266535360.

The previous prime is 674732507. The next prime is 674732537. The reversal of 674732530 is 35237476.

It is a self number, because there is not a number n which added to its sum of digits gives 674732530.

It is not an unprimeable number, because it can be changed into a prime (674732537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296236 + ... + 298504.

It is an arithmetic number, because the mean of its divisors is an integer number (38428830).

Almost surely, 2^674732530 is an apocalyptic number.

674732530 is a deficient number, since it is larger than the sum of its proper divisors (554990030).

674732530 is a wasteful number, since it uses less digits than its factorization.

674732530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 674732530 is about 25975.6141409592. The cubic root of 674732530 is about 877.0894414123.

The spelling of 674732530 in words is "six hundred seventy-four million, seven hundred thirty-two thousand, five hundred thirty".