72873442102 has 32 divisors (see below), whose sum is σ = 110422444320. Its totient is φ = 36068578560.

The previous prime is 72873442079. The next prime is 72873442111. The reversal of 72873442102 is 20124437827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88117413 + ... + 88118239.

It is an arithmetic number, because the mean of its divisors is an integer number (3450701385).

Almost surely, 2^72873442102 is an apocalyptic number.

72873442102 is a deficient number, since it is larger than the sum of its proper divisors (37549002218).

72873442102 is a wasteful number, since it uses less digits than its factorization.

72873442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

The product of its (nonzero) digits is 150528, while the sum is 40.

Adding to 72873442102 its reverse (20124437827), we get a palindrome (92997879929).

The spelling of 72873442102 in words is "seventy-two billion, eight hundred seventy-three million, four hundred forty-two thousand, one hundred two".