72541730471345 has 8 divisors (see below), whose sum is σ = 87050952574080. Its totient is φ = 58032800371440.

The previous prime is 72541730471321. The next prime is 72541730471389. The reversal of 72541730471345 is 54317403714527.

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

It is not a de Polignac number, because 72541730471345 - 2¹² = 72541730467249 is a prime.

It is a super-2 number, since 2×72541730471345² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72453791 + ... + 73448180.

It is an arithmetic number, because the mean of its divisors is an integer number (10881369071760).

Almost surely, 2^{72541730471345} is an apocalyptic number.

It is an amenable number.

72541730471345 is a deficient number, since it is larger than the sum of its proper divisors (14509222102735).

72541730471345 is a wasteful number, since it uses less digits than its factorization.

72541730471345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146001415.

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 72541730471345 in words is "seventy-two trillion, five hundred forty-one billion, seven hundred thirty million, four hundred seventy-one thousand, three hundred forty-five".