72611506823 has 8 divisors (see below), whose sum is σ = 72765282096. Its totient is φ = 72457804800.

The previous prime is 72611506789. The next prime is 72611506829. The reversal of 72611506823 is 32860511627.

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 72611506823 - 2¹⁴ = 72611490439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72611506829) 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, 2262215 + ... + 2294087.

It is an arithmetic number, because the mean of its divisors is an integer number (9095660262).

Almost surely, 2^72611506823 is an apocalyptic number.

72611506823 is a deficient number, since it is larger than the sum of its proper divisors (153775273).

72611506823 is a wasteful number, since it uses less digits than its factorization.

72611506823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36625.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 72611506823 in words is "seventy-two billion, six hundred eleven million, five hundred six thousand, eight hundred twenty-three".