73207042625 has 32 divisors (see below), whose sum is σ = 99096195744. Its totient is φ = 53776128000.

The previous prime is 73207042613. The next prime is 73207042681. The reversal of 73207042625 is 52624070237.

It is a Cunningham number, because it is equal to 270568²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 72601685809 + 605356816 = 269447^2 + 24604^2 .

It is not a de Polignac number, because 73207042625 - 2⁶ = 73207042561 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333002 + ... + 507251.

It is an arithmetic number, because the mean of its divisors is an integer number (3096756117).

Almost surely, 2^73207042625 is an apocalyptic number.

It is an amenable number.

73207042625 is a deficient number, since it is larger than the sum of its proper divisors (25889153119).

73207042625 is a wasteful number, since it uses less digits than its factorization.

73207042625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840326 (or 840316 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 73207042625 in words is "seventy-three billion, two hundred seven million, forty-two thousand, six hundred twenty-five".