320253674 has 16 divisors (see below), whose sum is σ = 523569312. Its totient is φ = 146027568.

The previous prime is 320253671. The next prime is 320253691. The reversal of 320253674 is 476352023.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320253674.

It is not an unprimeable number, because it can be changed into a prime (320253671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72044 + ... + 76359.

It is an arithmetic number, because the mean of its divisors is an integer number (32723082).

Almost surely, 2^320253674 is an apocalyptic number.

320253674 is a deficient number, since it is larger than the sum of its proper divisors (203315638).

320253674 is a wasteful number, since it uses less digits than its factorization.

320253674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148501.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 320253674 is about 17895.6328192104. The cubic root of 320253674 is about 684.1710711149.

The spelling of 320253674 in words is "three hundred twenty million, two hundred fifty-three thousand, six hundred seventy-four".