674451199 has 4 divisors (see below), whose sum is σ = 674643640. Its totient is φ = 674258760.

The previous prime is 674451187. The next prime is 674451209. The reversal of 674451199 is 991154476.

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 674451199 - 2⁹ = 674450687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674451179) 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, 90864 + ... + 98005.

It is an arithmetic number, because the mean of its divisors is an integer number (168660910).

Almost surely, 2^674451199 is an apocalyptic number.

674451199 is a deficient number, since it is larger than the sum of its proper divisors (192441).

674451199 is a wasteful number, since it uses less digits than its factorization.

674451199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192440.

The product of its digits is 272160, while the sum is 46.

The square root of 674451199 is about 25970.1982857274. The cubic root of 674451199 is about 876.9675231008.

It can be divided in two parts, 67445 and 1199, that added together give a square (68644 = 262²).

The spelling of 674451199 in words is "six hundred seventy-four million, four hundred fifty-one thousand, one hundred ninety-nine".