67722304392 has 60 divisors (see below), whose sum is σ = 189703714695. Its totient is φ = 22571893296.

The previous prime is 67722304381. The next prime is 67722304453. The reversal of 67722304392 is 29340322776.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 33861152196 + 33861152196 = 184014^2 + 184014^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=184014.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6619393 + ... + 6629615.

Almost surely, 2^67722304392 is an apocalyptic number.

It is an amenable number.

67722304392 is an abundant number, since it is smaller than the sum of its proper divisors (121981410303).

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

67722304392 is an frugal number, since it uses more digits than its factorization.

67722304392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20464 (or 10228 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 67722304392 in words is "sixty-seven billion, seven hundred twenty-two million, three hundred four thousand, three hundred ninety-two".