674325155 has 32 divisors (see below), whose sum is σ = 988581888. Its totient is φ = 431481600.

The previous prime is 674325151. The next prime is 674325167. The reversal of 674325155 is 551523476.

It is a happy number.

It is not a de Polignac number, because 674325155 - 2² = 674325151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674325151) 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, 22790 + ... + 43220.

It is an arithmetic number, because the mean of its divisors is an integer number (30893184).

Almost surely, 2^674325155 is an apocalyptic number.

674325155 is a deficient number, since it is larger than the sum of its proper divisors (314256733).

674325155 is a wasteful number, since it uses less digits than its factorization.

674325155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20507.

The product of its digits is 126000, while the sum is 38.

The square root of 674325155 is about 25967.7714677251. The cubic root of 674325155 is about 876.9128893575.

The spelling of 674325155 in words is "six hundred seventy-four million, three hundred twenty-five thousand, one hundred fifty-five".