73325280657 has 16 divisors (see below), whose sum is σ = 98682978240. Its totient is φ = 48425997312.

The previous prime is 73325280649. The next prime is 73325280667. The reversal of 73325280657 is 75608252337.

It is not a de Polignac number, because 73325280657 - 2³ = 73325280649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73325280667) 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, 616233 + ... + 725529.

It is an arithmetic number, because the mean of its divisors is an integer number (6167686140).

Almost surely, 2^73325280657 is an apocalyptic number.

It is an amenable number.

73325280657 is a deficient number, since it is larger than the sum of its proper divisors (25357697583).

73325280657 is a wasteful number, since it uses less digits than its factorization.

73325280657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111392.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 73325280657 in words is "seventy-three billion, three hundred twenty-five million, two hundred eighty thousand, six hundred fifty-seven".