720506373 has 8 divisors (see below), whose sum is σ = 964662336. Its totient is φ = 478344000.

The previous prime is 720506357. The next prime is 720506401. The reversal of 720506373 is 373605027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 720506373 - 2⁴ = 720506357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720506333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497553 + ... + 498998.

It is an arithmetic number, because the mean of its divisors is an integer number (120582792).

Almost surely, 2^720506373 is an apocalyptic number.

It is an amenable number.

720506373 is a deficient number, since it is larger than the sum of its proper divisors (244155963).

720506373 is a wasteful number, since it uses less digits than its factorization.

720506373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996795.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 720506373 is about 26842.2497753076. The cubic root of 720506373 is about 896.4910169583.

The spelling of 720506373 in words is "seven hundred twenty million, five hundred six thousand, three hundred seventy-three".