320074146 has 32 divisors (see below), whose sum is σ = 812887680. Its totient is φ = 91449648.

The previous prime is 320074127. The next prime is 320074159. The reversal of 320074146 is 641470023.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423001 + ... + 423756.

It is an arithmetic number, because the mean of its divisors is an integer number (25402740).

Almost surely, 2^320074146 is an apocalyptic number.

320074146 is an abundant number, since it is smaller than the sum of its proper divisors (492813534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320074146 is a wasteful number, since it uses less digits than its factorization.

320074146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846775 (or 846769 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 320074146 is about 17890.6161436659. The cubic root of 320074146 is about 684.0432028729.

The spelling of 320074146 in words is "three hundred twenty million, seventy-four thousand, one hundred forty-six".