72417236766370 has 8 divisors (see below), whose sum is σ = 130351026179484. Its totient is φ = 28966894706544.

The previous prime is 72417236766319. The next prime is 72417236766431. The reversal of 72417236766370 is 7366763271427.

It can be written as a sum of positive squares in 2 ways, for example, as 68847294820329 + 3569941946041 = 8297427^2 + 1889429^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 72417236766299 and 72417236766308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620861838309 + ... + 3620861838328.

Almost surely, 2^{72417236766370} is an apocalyptic number.

72417236766370 is a deficient number, since it is larger than the sum of its proper divisors (57933789413114).

72417236766370 is a wasteful number, since it uses less digits than its factorization.

72417236766370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241723676644.

The product of its (nonzero) digits is 74680704, while the sum is 61.

The spelling of 72417236766370 in words is "seventy-two trillion, four hundred seventeen billion, two hundred thirty-six million, seven hundred sixty-six thousand, three hundred seventy".