72869692540 has 12 divisors (see below), whose sum is σ = 153026354376. Its totient is φ = 29147877008.

The previous prime is 72869692459. The next prime is 72869692541. The reversal of 72869692540 is 4529696827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72869692541) 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, 1821742294 + ... + 1821742333.

It is an arithmetic number, because the mean of its divisors is an integer number (12752196198).

Almost surely, 2^72869692540 is an apocalyptic number.

It is an amenable number.

72869692540 is an abundant number, since it is smaller than the sum of its proper divisors (80156661836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72869692540 is a wasteful number, since it uses less digits than its factorization.

72869692540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643484636 (or 3643484634 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 72869692540 in words is "seventy-two billion, eight hundred sixty-nine million, six hundred ninety-two thousand, five hundred forty".