67922074464 has 48 divisors (see below), whose sum is σ = 180298787760. Its totient is φ = 22386298880.

The previous prime is 67922074439. The next prime is 67922074469. The reversal of 67922074464 is 46447022976.

67922074464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×67922074464² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67922074469) 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, 3966297 + ... + 3983384.

It is an arithmetic number, because the mean of its divisors is an integer number (3756224745).

Almost surely, 2^67922074464 is an apocalyptic number.

It is an amenable number.

67922074464 is an abundant number, since it is smaller than the sum of its proper divisors (112376713296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67922074464 is a wasteful number, since it uses less digits than its factorization.

67922074464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949783 (or 7949775 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 67922074464 in words is "sixty-seven billion, nine hundred twenty-two million, seventy-four thousand, four hundred sixty-four".