674542195 has 4 divisors (see below), whose sum is σ = 809450640. Its totient is φ = 539633752.

The previous prime is 674542189. The next prime is 674542213. The reversal of 674542195 is 591245476.

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 674542195 - 2⁵ = 674542163 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67454215 + ... + 67454224.

It is an arithmetic number, because the mean of its divisors is an integer number (202362660).

Almost surely, 2^674542195 is an apocalyptic number.

674542195 is a deficient number, since it is larger than the sum of its proper divisors (134908445).

674542195 is a wasteful number, since it uses less digits than its factorization.

674542195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134908444.

The product of its digits is 302400, while the sum is 43.

The square root of 674542195 is about 25971.9501578145. The cubic root of 674542195 is about 877.0069610657.

The spelling of 674542195 in words is "six hundred seventy-four million, five hundred forty-two thousand, one hundred ninety-five".