67922997 has 4 divisors (see below), whose sum is σ = 90564000. Its totient is φ = 45281996.

The previous prime is 67922993. The next prime is 67923049. The reversal of 67922997 is 79922976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67922997 - 2² = 67922993 is a prime.

It is a super-2 number, since 2×67922997² = 9227067042924018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67922993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11320497 + ... + 11320502.

It is an arithmetic number, because the mean of its divisors is an integer number (22641000).

Almost surely, 2^67922997 is an apocalyptic number.

It is an amenable number.

67922997 is a deficient number, since it is larger than the sum of its proper divisors (22641003).

67922997 is a wasteful number, since it uses less digits than its factorization.

67922997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22641002.

The product of its digits is 857304, while the sum is 51.

The square root of 67922997 is about 8241.5409360143. The cubic root of 67922997 is about 408.0113835251.

The spelling of 67922997 in words is "sixty-seven million, nine hundred twenty-two thousand, nine hundred ninety-seven".