67994722 has 4 divisors (see below), whose sum is σ = 101992086. Its totient is φ = 33997360.

The previous prime is 67994701. The next prime is 67994723. The reversal of 67994722 is 22749976.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65626201 + 2368521 = 8101^2 + 1539^2 .

It is not an unprimeable number, because it can be changed into a prime (67994723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16998679 + ... + 16998682.

Almost surely, 2^67994722 is an apocalyptic number.

67994722 is a deficient number, since it is larger than the sum of its proper divisors (33997364).

67994722 is a wasteful number, since it uses less digits than its factorization.

67994722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33997363.

The product of its digits is 381024, while the sum is 46.

The square root of 67994722 is about 8245.8912192679. The cubic root of 67994722 is about 408.1549496363.

The spelling of 67994722 in words is "sixty-seven million, nine hundred ninety-four thousand, seven hundred twenty-two".