720754023 has 16 divisors (see below), whose sum is σ = 1084521600. Its totient is φ = 421757280.

The previous prime is 720754019. The next prime is 720754087. The reversal of 720754023 is 320457027.

It is not a de Polignac number, because 720754023 - 2² = 720754019 is a prime.

It is a super-3 number, since 3×720754023³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720754093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375613 + ... + 377526.

It is an arithmetic number, because the mean of its divisors is an integer number (67782600).

Almost surely, 2^720754023 is an apocalyptic number.

720754023 is a deficient number, since it is larger than the sum of its proper divisors (363767577).

720754023 is a wasteful number, since it uses less digits than its factorization.

720754023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753182.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 720754023 is about 26846.8624423786. The cubic root of 720754023 is about 896.5937181402.

The spelling of 720754023 in words is "seven hundred twenty million, seven hundred fifty-four thousand, twenty-three".