73201370045 has 6 divisors (see below), whose sum is σ = 87842370042. Its totient is φ = 58560612048.

The previous prime is 73201370041. The next prime is 73201370069. The reversal of 73201370045 is 54007310237.

It can be written as a sum of positive squares in 3 ways, for example, as 7079876164 + 66121493881 = 84142^2 + 257141^2 .

It is not a de Polignac number, because 73201370045 - 2² = 73201370041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73201369993 and 73201370020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73201370041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 544487 + ... + 665483.

It is an arithmetic number, because the mean of its divisors is an integer number (14640395007).

Almost surely, 2^73201370045 is an apocalyptic number.

It is an amenable number.

73201370045 is a deficient number, since it is larger than the sum of its proper divisors (14640999997).

73201370045 is an frugal number, since it uses more digits than its factorization.

73201370045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241999 (or 121002 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 73201370045 in words is "seventy-three billion, two hundred one million, three hundred seventy thousand, forty-five".