72092919772 has 6 divisors (see below), whose sum is σ = 126162609608. Its totient is φ = 36046459884.

The previous prime is 72092919749. The next prime is 72092919791. The reversal of 72092919772 is 27791929027.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9011614968 + ... + 9011614975.

Almost surely, 2^72092919772 is an apocalyptic number.

It is an amenable number.

72092919772 is a deficient number, since it is larger than the sum of its proper divisors (54069689836).

72092919772 is a wasteful number, since it uses less digits than its factorization.

72092919772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023229947 (or 18023229945 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 55.

The spelling of 72092919772 in words is "seventy-two billion, ninety-two million, nine hundred nineteen thousand, seven hundred seventy-two".