72092919771 has 6 divisors (see below), whose sum is σ = 104134217460. Its totient is φ = 48061946508.

The previous prime is 72092919749. The next prime is 72092919791. The reversal of 72092919771 is 17791929027.

It is not a de Polignac number, because 72092919771 - 2⁶ = 72092919707 is a prime.

It is a super-2 number, since 2×72092919771² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72092919791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4005162201 + ... + 4005162218.

It is an arithmetic number, because the mean of its divisors is an integer number (17355702910).

Almost surely, 2^72092919771 is an apocalyptic number.

72092919771 is a deficient number, since it is larger than the sum of its proper divisors (32041297689).

72092919771 is a wasteful number, since it uses less digits than its factorization.

72092919771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010324425 (or 8010324422 counting only the distinct ones).

The product of its (nonzero) digits is 1000188, while the sum is 54.

The spelling of 72092919771 in words is "seventy-two billion, ninety-two million, nine hundred nineteen thousand, seven hundred seventy-one".