720903234875 has 16 divisors (see below), whose sum is σ = 899739640800. Its totient is φ = 576688996000.

The previous prime is 720903234851. The next prime is 720903234901. The reversal of 720903234875 is 578432309027.

It is a happy number.

It is not a de Polignac number, because 720903234875 - 2³⁴ = 703723365691 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109740 + ... + 2427510.

It is an arithmetic number, because the mean of its divisors is an integer number (56233727550).

Almost surely, 2^720903234875 is an apocalyptic number.

720903234875 is a deficient number, since it is larger than the sum of its proper divisors (178836405925).

720903234875 is a wasteful number, since it uses less digits than its factorization.

720903234875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335935 (or 335925 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 720903234875 in words is "seven hundred twenty billion, nine hundred three million, two hundred thirty-four thousand, eight hundred seventy-five".