72325651641 has 16 divisors (see below), whose sum is σ = 97283915520. Its totient is φ = 47793105360.

The previous prime is 72325651639. The next prime is 72325651663. The reversal of 72325651641 is 14615652327.

It is not a de Polignac number, because 72325651641 - 2¹ = 72325651639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72325651593 and 72325651602.

It is not an unprimeable number, because it can be changed into a prime (72325651841) 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, 230466 + ... + 444708.

It is an arithmetic number, because the mean of its divisors is an integer number (6080244720).

Almost surely, 2^72325651641 is an apocalyptic number.

It is an amenable number.

72325651641 is a deficient number, since it is larger than the sum of its proper divisors (24958263879).

72325651641 is a wasteful number, since it uses less digits than its factorization.

72325651641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215236.

The product of its digits is 302400, while the sum is 42.

The spelling of 72325651641 in words is "seventy-two billion, three hundred twenty-five million, six hundred fifty-one thousand, six hundred forty-one".