72150679797 has 24 divisors (see below), whose sum is σ = 111919500000. Its totient is φ = 41224419936.

The previous prime is 72150679789. The next prime is 72150679837. The reversal of 72150679797 is 79797605127.

It is not a de Polignac number, because 72150679797 - 2³ = 72150679789 is a prime.

It is a super-2 number, since 2×72150679797² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72150679797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72150679787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1676454 + ... + 1718952.

It is an arithmetic number, because the mean of its divisors is an integer number (4663312500).

Almost surely, 2^72150679797 is an apocalyptic number.

It is an amenable number.

72150679797 is a deficient number, since it is larger than the sum of its proper divisors (39768820203).

72150679797 is a wasteful number, since it uses less digits than its factorization.

72150679797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54065 (or 54058 counting only the distinct ones).

The product of its (nonzero) digits is 11668860, while the sum is 60.

The spelling of 72150679797 in words is "seventy-two billion, one hundred fifty million, six hundred seventy-nine thousand, seven hundred ninety-seven".