72884492429 has 24 divisors (see below), whose sum is σ = 87596345088. Its totient is φ = 60403734720.

The previous prime is 72884492381. The next prime is 72884492441. The reversal of 72884492429 is 92429448827.

It is not a de Polignac number, because 72884492429 - 2³⁶ = 4165015693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72884492449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1745969 + ... + 1787225.

It is an arithmetic number, because the mean of its divisors is an integer number (3649847712).

Almost surely, 2^72884492429 is an apocalyptic number.

It is an amenable number.

72884492429 is a deficient number, since it is larger than the sum of its proper divisors (14711852659).

72884492429 is a wasteful number, since it uses less digits than its factorization.

72884492429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42465 (or 42458 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 59.

The spelling of 72884492429 in words is "seventy-two billion, eight hundred eighty-four million, four hundred ninety-two thousand, four hundred twenty-nine".