67722374456 has 32 divisors (see below), whose sum is σ = 138538442880. Its totient is φ = 30779474400.

The previous prime is 67722374431. The next prime is 67722374477. The reversal of 67722374456 is 65447322776.

It is a happy number.

67722374456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 67722374398 and 67722374407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860885 + ... + 936251.

It is an arithmetic number, because the mean of its divisors is an integer number (4329326340).

Almost surely, 2^67722374456 is an apocalyptic number.

It is an amenable number.

67722374456 is an abundant number, since it is smaller than the sum of its proper divisors (70816068424).

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

67722374456 is a wasteful number, since it uses less digits than its factorization.

67722374456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85595 (or 85591 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 53.

The spelling of 67722374456 in words is "sixty-seven billion, seven hundred twenty-two million, three hundred seventy-four thousand, four hundred fifty-six".