72090956984 has 16 divisors (see below), whose sum is σ = 138467387520. Its totient is φ = 35166320320.

The previous prime is 72090956983. The next prime is 72090957007. The reversal of 72090956984 is 48965909027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72090956983) 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 3 ways as a sum of consecutive naturals, for example, 109894424 + ... + 109895079.

It is an arithmetic number, because the mean of its divisors is an integer number (8654211720).

Almost surely, 2^72090956984 is an apocalyptic number.

It is an amenable number.

72090956984 is a deficient number, since it is larger than the sum of its proper divisors (66376430536).

72090956984 is a wasteful number, since it uses less digits than its factorization.

72090956984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219789550 (or 219789546 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 72090956984 in words is "seventy-two billion, ninety million, nine hundred fifty-six thousand, nine hundred eighty-four".