71922498652 has 12 divisors (see below), whose sum is σ = 126178251696. Its totient is φ = 35871569600.

The previous prime is 71922498623. The next prime is 71922498653. The reversal of 71922498652 is 25689422917.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71922498593 and 71922498602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71922498653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22418128 + ... + 22421335.

It is an arithmetic number, because the mean of its divisors is an integer number (10514854308).

Almost surely, 2^71922498652 is an apocalyptic number.

It is an amenable number.

71922498652 is a deficient number, since it is larger than the sum of its proper divisors (54255753044).

71922498652 is a wasteful number, since it uses less digits than its factorization.

71922498652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44839868 (or 44839866 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 71922498652 in words is "seventy-one billion, nine hundred twenty-two million, four hundred ninety-eight thousand, six hundred fifty-two".