73720522207625 has 16 divisors (see below), whose sum is σ = 92847277894800. Its totient is φ = 58435349702400.

The previous prime is 73720522207613. The next prime is 73720522207637. The reversal of 73720522207625 is 52670222502737.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73720522207613) and next prime (73720522207637).

It can be written as a sum of positive squares in 8 ways, for example, as 1991869304896 + 71728652902729 = 1411336^2 + 8469277^2 .

It is not a de Polignac number, because 73720522207625 - 2³⁰ = 73719448465801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2705326640 + ... + 2705353889.

It is an arithmetic number, because the mean of its divisors is an integer number (5802954868425).

Almost surely, 2^{73720522207625} is an apocalyptic number.

It is an amenable number.

73720522207625 is a deficient number, since it is larger than the sum of its proper divisors (19126755687175).

73720522207625 is a wasteful number, since it uses less digits than its factorization.

73720522207625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410680653 (or 5410680643 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 50.

The spelling of 73720522207625 in words is "seventy-three trillion, seven hundred twenty billion, five hundred twenty-two million, two hundred seven thousand, six hundred twenty-five".