720334 has 4 divisors (see below), whose sum is σ = 1080504. Its totient is φ = 360166.

The previous prime is 720319. The next prime is 720359. The reversal of 720334 is 433027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433027 = 7 ⋅61861.

It is a super-3 number, since 3×720334³ = 1121303033394659112, which contains 333 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, 180082 + ... + 180085.

It is an arithmetic number, because the mean of its divisors is an integer number (270126).

2⁷²⁰³³⁴ is an apocalyptic number.

720334 is a deficient number, since it is larger than the sum of its proper divisors (360170).

720334 is a wasteful number, since it uses less digits than its factorization.

720334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360169.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 720334 is about 848.7249259919. The cubic root of 720334 is about 89.6419519478.

The spelling of 720334 in words is "seven hundred twenty thousand, three hundred thirty-four".