73031325645 has 16 divisors (see below), whose sum is σ = 119700124992. Its totient is φ = 38000039040.

The previous prime is 73031325629. The next prime is 73031325659. The reversal of 73031325645 is 54652313037.

It is not a de Polignac number, because 73031325645 - 2⁴ = 73031325629 is a prime.

It is a super-3 number, since 3×73031325645³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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, 59374447 + ... + 59375676.

It is an arithmetic number, because the mean of its divisors is an integer number (7481257812).

Almost surely, 2^73031325645 is an apocalyptic number.

It is an amenable number.

73031325645 is a deficient number, since it is larger than the sum of its proper divisors (46668799347).

73031325645 is a wasteful number, since it uses less digits than its factorization.

73031325645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118750172.

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 73031325645 in words is "seventy-three billion, thirty-one million, three hundred twenty-five thousand, six hundred forty-five".