72988075117 has 8 divisors (see below), whose sum is σ = 73874626560. Its totient is φ = 72101694720.

The previous prime is 72988075099. The next prime is 72988075157. The reversal of 72988075117 is 71157088927.

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 72988075117 - 2²⁷ = 72853857389 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 (72988075157) 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, 956692 + ... + 1030162.

It is an arithmetic number, because the mean of its divisors is an integer number (9234328320).

Almost surely, 2^72988075117 is an apocalyptic number.

It is an amenable number.

72988075117 is a deficient number, since it is larger than the sum of its proper divisors (886551443).

72988075117 is a wasteful number, since it uses less digits than its factorization.

72988075117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85523.

The product of its (nonzero) digits is 1975680, while the sum is 55.

The spelling of 72988075117 in words is "seventy-two billion, nine hundred eighty-eight million, seventy-five thousand, one hundred seventeen".