72984722118878 has 16 divisors (see below), whose sum is σ = 110563463159136. Its totient is φ = 36130250402400.

The previous prime is 72984722118877. The next prime is 72984722118899. The reversal of 72984722118878 is 87881122748927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72984722118877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5195375 + ... + 13151477.

It is an arithmetic number, because the mean of its divisors is an integer number (6910216447446).

Almost surely, 2^{72984722118878} is an apocalyptic number.

72984722118878 is a deficient number, since it is larger than the sum of its proper divisors (37578741040258).

72984722118878 is a wasteful number, since it uses less digits than its factorization.

72984722118878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001619.

The product of its digits is 404619264, while the sum is 74.

The spelling of 72984722118878 in words is "seventy-two trillion, nine hundred eighty-four billion, seven hundred twenty-two million, one hundred eighteen thousand, eight hundred seventy-eight".