674686111 has 4 divisors (see below), whose sum is σ = 736021224. Its totient is φ = 613351000.

The previous prime is 674686093. The next prime is 674686121. The reversal of 674686111 is 111686476.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674686111 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 (674686121) 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, 30667540 + ... + 30667561.

It is an arithmetic number, because the mean of its divisors is an integer number (184005306).

Almost surely, 2^674686111 is an apocalyptic number.

674686111 is a deficient number, since it is larger than the sum of its proper divisors (61335113).

674686111 is a wasteful number, since it uses less digits than its factorization.

674686111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61335112.

The product of its digits is 48384, while the sum is 40.

The square root of 674686111 is about 25974.7206144744. The cubic root of 674686111 is about 877.0693274922.

The spelling of 674686111 in words is "six hundred seventy-four million, six hundred eighty-six thousand, one hundred eleven".