72325472267665 has 16 divisors (see below), whose sum is σ = 88809553008000. Its totient is φ = 56514405169152.

The previous prime is 72325472267663. The next prime is 72325472267791. The reversal of 72325472267665 is 56676227452327.

It is a cyclic number.

It is not a de Polignac number, because 72325472267665 - 2¹ = 72325472267663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72325472267597 and 72325472267606.

It is not an unprimeable number, because it can be changed into a prime (72325472267663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33093676 + ... + 35211394.

It is an arithmetic number, because the mean of its divisors is an integer number (5550597063000).

Almost surely, 2^{72325472267665} is an apocalyptic number.

It is an amenable number.

72325472267665 is a deficient number, since it is larger than the sum of its proper divisors (16484080740335).

72325472267665 is a wasteful number, since it uses less digits than its factorization.

72325472267665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276616.

The product of its digits is 355622400, while the sum is 64.

The spelling of 72325472267665 in words is "seventy-two trillion, three hundred twenty-five billion, four hundred seventy-two million, two hundred sixty-seven thousand, six hundred sixty-five".