674365659 has 16 divisors (see below), whose sum is σ = 981361920. Its totient is φ = 408512160.

The previous prime is 674365633. The next prime is 674365667. The reversal of 674365659 is 956563476.

It is a happy number.

It is not a de Polignac number, because 674365659 - 2¹⁵ = 674332891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674361659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98289 + ... + 104925.

It is an arithmetic number, because the mean of its divisors is an integer number (61335120).

Almost surely, 2^674365659 is an apocalyptic number.

674365659 is a deficient number, since it is larger than the sum of its proper divisors (306996261).

674365659 is a wasteful number, since it uses less digits than its factorization.

674365659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9730.

The product of its digits is 4082400, while the sum is 51.

The square root of 674365659 is about 25968.5513458106. The cubic root of 674365659 is about 876.9304465494.

The spelling of 674365659 in words is "six hundred seventy-four million, three hundred sixty-five thousand, six hundred fifty-nine".