320450734 has 4 divisors (see below), whose sum is σ = 480676104. Its totient is φ = 160225366.

The previous prime is 320450723. The next prime is 320450797. The reversal of 320450734 is 437054023.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×320450734² = 205377345842277512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80112682 + ... + 80112685.

It is an arithmetic number, because the mean of its divisors is an integer number (120169026).

Almost surely, 2^320450734 is an apocalyptic number.

320450734 is a deficient number, since it is larger than the sum of its proper divisors (160225370).

320450734 is a wasteful number, since it uses less digits than its factorization.

320450734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160225369.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 320450734 is about 17901.1377850683. The cubic root of 320450734 is about 684.3113714647.

The spelling of 320450734 in words is "three hundred twenty million, four hundred fifty thousand, seven hundred thirty-four".