72924382489 has 16 divisors (see below), whose sum is σ = 84241261440. Its totient is φ = 61833369600.

The previous prime is 72924382463. The next prime is 72924382493. The reversal of 72924382489 is 98428342927.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72924382489 - 2²⁵ = 72890828057 is a prime.

It is a super-2 number, since 2×72924382489² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72924382409) 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 15 ways as a sum of consecutive naturals, for example, 770442 + ... + 859900.

It is an arithmetic number, because the mean of its divisors is an integer number (5265078840).

Almost surely, 2^72924382489 is an apocalyptic number.

It is an amenable number.

72924382489 is a deficient number, since it is larger than the sum of its proper divisors (11316878951).

72924382489 is a wasteful number, since it uses less digits than its factorization.

72924382489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90720.

The product of its digits is 13934592, while the sum is 58.

It can be divided in two parts, 7292438 and 2489, that added together give a palindrome (7294927).

The spelling of 72924382489 in words is "seventy-two billion, nine hundred twenty-four million, three hundred eighty-two thousand, four hundred eighty-nine".