72619130879 has 4 divisors (see below), whose sum is σ = 74961683520. Its totient is φ = 70276578240.

The previous prime is 72619130863. The next prime is 72619130981. The reversal of 72619130879 is 97803191627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97803191627 = 2351 ⋅41600677.

It is a cyclic number.

It is not a de Polignac number, because 72619130879 - 2⁴ = 72619130863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72619130879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72619130849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171276274 + ... + 1171276335.

It is an arithmetic number, because the mean of its divisors is an integer number (18740420880).

Almost surely, 2^72619130879 is an apocalyptic number.

72619130879 is a deficient number, since it is larger than the sum of its proper divisors (2342552641).

72619130879 is a wasteful number, since it uses less digits than its factorization.

72619130879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342552640.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 72619130879 in words is "seventy-two billion, six hundred nineteen million, one hundred thirty thousand, eight hundred seventy-nine".