72430050074017 has 8 divisors (see below), whose sum is σ = 72477210886920. Its totient is φ = 72382898595840.

The previous prime is 72430050073943. The next prime is 72430050074021. The reversal of 72430050074017 is 71047005003427.

It can be written as a sum of positive squares in 4 ways, for example, as 482401091601 + 71947648982416 = 694551^2 + 8482196^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72430050074017 - 2²⁷ = 72429915856289 is a prime.

It is a super-2 number, since 2×72430050074017² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72430050074047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13223517 + ... + 17880757.

It is an arithmetic number, because the mean of its divisors is an integer number (9059651360865).

Almost surely, 2^{72430050074017} is an apocalyptic number.

It is an amenable number.

72430050074017 is a deficient number, since it is larger than the sum of its proper divisors (47160812903).

72430050074017 is a wasteful number, since it uses less digits than its factorization.

72430050074017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667363.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 72430050074017 in words is "seventy-two trillion, four hundred thirty billion, fifty million, seventy-four thousand, seventeen".