720025537 has 16 divisors (see below), whose sum is σ = 898929792. Its totient is φ = 560286720.

The previous prime is 720025529. The next prime is 720025541. The reversal of 720025537 is 735520027.

It is not a de Polignac number, because 720025537 - 2³ = 720025529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 720025499 and 720025508.

It is not an unprimeable number, because it can be changed into a prime (720025547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53473 + ... + 65569.

It is an arithmetic number, because the mean of its divisors is an integer number (56183112).

Almost surely, 2^720025537 is an apocalyptic number.

720025537 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

720025537 is a deficient number, since it is larger than the sum of its proper divisors (178904255).

720025537 is a wasteful number, since it uses less digits than its factorization.

720025537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 720025537 is about 26833.2915796777. The cubic root of 720025537 is about 896.2915456337.

The spelling of 720025537 in words is "seven hundred twenty million, twenty-five thousand, five hundred thirty-seven".