320073150 has 24 divisors (see below), whose sum is σ = 793781784. Its totient is φ = 85352800.

The previous prime is 320073133. The next prime is 320073151. The reversal of 320073150 is 51370023.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320073151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066761 + ... + 1067060.

It is an arithmetic number, because the mean of its divisors is an integer number (33074241).

Almost surely, 2^320073150 is an apocalyptic number.

320073150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320073150 is an abundant number, since it is smaller than the sum of its proper divisors (473708634).

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

320073150 is a wasteful number, since it uses less digits than its factorization.

320073150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133836 (or 2133831 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 320073150 is about 17890.5883078226. The cubic root of 320073150 is about 684.0424933417.

The spelling of 320073150 in words is "three hundred twenty million, seventy-three thousand, one hundred fifty".