67322816 has 28 divisors (see below), whose sum is σ = 145740120. Its totient is φ = 30600960.

The previous prime is 67322813. The next prime is 67322831. The reversal of 67322816 is 61822376.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67322813) 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, 47111 + ... + 48518.

Almost surely, 2^67322816 is an apocalyptic number.

It is an amenable number.

67322816 is an abundant number, since it is smaller than the sum of its proper divisors (78417304).

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

67322816 is a wasteful number, since it uses less digits than its factorization.

67322816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95652 (or 95642 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 67322816 is about 8205.0482021741. The cubic root of 67322816 is about 406.8060700375.

The spelling of 67322816 in words is "sixty-seven million, three hundred twenty-two thousand, eight hundred sixteen".