674892563 has 4 divisors (see below), whose sum is σ = 686331480. Its totient is φ = 663453648.

The previous prime is 674892557. The next prime is 674892583. The reversal of 674892563 is 365298476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674892563 - 2⁸ = 674892307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674892523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5719370 + ... + 5719487.

It is an arithmetic number, because the mean of its divisors is an integer number (171582870).

Almost surely, 2^674892563 is an apocalyptic number.

674892563 is a deficient number, since it is larger than the sum of its proper divisors (11438917).

674892563 is a wasteful number, since it uses less digits than its factorization.

674892563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438916.

The product of its digits is 2177280, while the sum is 50.

The square root of 674892563 is about 25978.6944052237. The cubic root of 674892563 is about 877.1587785954.

The spelling of 674892563 in words is "six hundred seventy-four million, eight hundred ninety-two thousand, five hundred sixty-three".