72699285989 has 8 divisors (see below), whose sum is σ = 79813462368. Its totient is φ = 65669301360.

The previous prime is 72699285961. The next prime is 72699286003. The reversal of 72699285989 is 98958299627.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72699285989 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 (72699285089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21046127 + ... + 21049580.

It is an arithmetic number, because the mean of its divisors is an integer number (9976682796).

Almost surely, 2^72699285989 is an apocalyptic number.

It is an amenable number.

72699285989 is a deficient number, since it is larger than the sum of its proper divisors (7114176379).

72699285989 is a wasteful number, since it uses less digits than its factorization.

72699285989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42095875.

The product of its digits is 352719360, while the sum is 74.

The spelling of 72699285989 in words is "seventy-two billion, six hundred ninety-nine million, two hundred eighty-five thousand, nine hundred eighty-nine".