72673413195 has 32 divisors (see below), whose sum is σ = 116774203392. Its totient is φ = 38593715072.

The previous prime is 72673413173. The next prime is 72673413199. The reversal of 72673413195 is 59131437627.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72673413195 - 2⁸ = 72673412939 is a prime.

It is a super-2 number, since 2×72673413195² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72673413199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15450214 + ... + 15454916.

It is an arithmetic number, because the mean of its divisors is an integer number (3649193856).

Almost surely, 2^72673413195 is an apocalyptic number.

72673413195 is a deficient number, since it is larger than the sum of its proper divisors (44100790197).

72673413195 is a wasteful number, since it uses less digits than its factorization.

72673413195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891.

The product of its digits is 952560, while the sum is 48.

The spelling of 72673413195 in words is "seventy-two billion, six hundred seventy-three million, four hundred thirteen thousand, one hundred ninety-five".