674023018 has 16 divisors (see below), whose sum is σ = 1045771776. Its totient is φ = 325476720.

The previous prime is 674023013. The next prime is 674023033. The reversal of 674023018 is 810320476.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (674023013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20380 + ... + 41992.

It is an arithmetic number, because the mean of its divisors is an integer number (65360736).

Almost surely, 2^674023018 is an apocalyptic number.

674023018 is a deficient number, since it is larger than the sum of its proper divisors (371748758).

674023018 is a wasteful number, since it uses less digits than its factorization.

674023018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22149.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 674023018 is about 25961.9532778256. The cubic root of 674023018 is about 876.7819004183.

The spelling of 674023018 in words is "six hundred seventy-four million, twenty-three thousand, eighteen".