720815525373 has 12 divisors (see below), whose sum is σ = 1004690576960. Its totient is φ = 459650478936.

The previous prime is 720815525357. The next prime is 720815525387. The reversal of 720815525373 is 373525518027.

It is not a de Polignac number, because 720815525373 - 2⁴ = 720815525357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720815525323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227098453 + ... + 227101626.

Almost surely, 2^720815525373 is an apocalyptic number.

It is an amenable number.

720815525373 is a deficient number, since it is larger than the sum of its proper divisors (283875051587).

720815525373 is a wasteful number, since it uses less digits than its factorization.

720815525373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454200128 (or 454200105 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 720815525373 in words is "seven hundred twenty billion, eight hundred fifteen million, five hundred twenty-five thousand, three hundred seventy-three".