720626575 has 24 divisors (see below), whose sum is σ = 905084928. Its totient is φ = 569126880.

The previous prime is 720626573. The next prime is 720626579. The reversal of 720626575 is 575626027.

It is not a de Polignac number, because 720626575 - 2¹ = 720626573 is a prime.

It is a super-5 number, since 5×720626575⁵ (a number of 45 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720626573) 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 23 ways as a sum of consecutive naturals, for example, 834594 + ... + 835456.

It is an arithmetic number, because the mean of its divisors is an integer number (37711872).

Almost surely, 2^720626575 is an apocalyptic number.

720626575 is a deficient number, since it is larger than the sum of its proper divisors (184458353).

720626575 is a wasteful number, since it uses less digits than its factorization.

720626575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 720626575 is about 26844.4887267387. The cubic root of 720626575 is about 896.5408680192.

The spelling of 720626575 in words is "seven hundred twenty million, six hundred twenty-six thousand, five hundred seventy-five".