674071855 has 4 divisors (see below), whose sum is σ = 808886232. Its totient is φ = 539257480.

The previous prime is 674071841. The next prime is 674071877. The reversal of 674071855 is 558170476.

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

It is not a de Polignac number, because 674071855 - 2⁵ = 674071823 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 67407181 + ... + 67407190.

It is an arithmetic number, because the mean of its divisors is an integer number (202221558).

Almost surely, 2^674071855 is an apocalyptic number.

674071855 is a deficient number, since it is larger than the sum of its proper divisors (134814377).

674071855 is a wasteful number, since it uses less digits than its factorization.

674071855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134814376.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 674071855 is about 25962.8938102054. The cubic root of 674071855 is about 876.8030759382.

The spelling of 674071855 in words is "six hundred seventy-four million, seventy-one thousand, eight hundred fifty-five".