68672422 has 48 divisors (see below), whose sum is σ = 135883440. Its totient is φ = 25728192.

The previous prime is 68672399. The next prime is 68672423. The reversal of 68672422 is 22427686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68672423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22788 + ... + 25624.

It is an arithmetic number, because the mean of its divisors is an integer number (2830905).

Almost surely, 2^68672422 is an apocalyptic number.

68672422 is a deficient number, since it is larger than the sum of its proper divisors (67211018).

68672422 is a wasteful number, since it uses less digits than its factorization.

68672422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2878 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 68672422 is about 8286.8825260166. The cubic root of 68672422 is about 409.5064892925.

The spelling of 68672422 in words is "sixty-eight million, six hundred seventy-two thousand, four hundred twenty-two".