72987276619 has 16 divisors (see below), whose sum is σ = 76814841600. Its totient is φ = 69215626656.

The previous prime is 72987276559. The next prime is 72987276623. The reversal of 72987276619 is 91667278927.

It is not a de Polignac number, because 72987276619 - 2⁹ = 72987276107 is a prime.

It is a super-2 number, since 2×72987276619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72987276629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347137 + ... + 2378029.

It is an arithmetic number, because the mean of its divisors is an integer number (4800927600).

Almost surely, 2^72987276619 is an apocalyptic number.

72987276619 is a deficient number, since it is larger than the sum of its proper divisors (3827564981).

72987276619 is a wasteful number, since it uses less digits than its factorization.

72987276619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31794.

The product of its digits is 32006016, while the sum is 64.

The spelling of 72987276619 in words is "seventy-two billion, nine hundred eighty-seven million, two hundred seventy-six thousand, six hundred nineteen".