674590155 has 32 divisors (see below), whose sum is σ = 1154807040. Its totient is φ = 335249280.

The previous prime is 674590151. The next prime is 674590171. The reversal of 674590155 is 551095476.

It is not a de Polignac number, because 674590155 - 2² = 674590151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674590151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2017 + ... + 36786.

It is an arithmetic number, because the mean of its divisors is an integer number (36087720).

Almost surely, 2^674590155 is an apocalyptic number.

674590155 is a deficient number, since it is larger than the sum of its proper divisors (480216885).

674590155 is a wasteful number, since it uses less digits than its factorization.

674590155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38891.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 674590155 is about 25972.8734451928. The cubic root of 674590155 is about 877.0277456597.

The spelling of 674590155 in words is "six hundred seventy-four million, five hundred ninety thousand, one hundred fifty-five".