67651422 has 16 divisors (see below), whose sum is σ = 136292112. Its totient is φ = 22385600.

The previous prime is 67651421. The next prime is 67651447. The reversal of 67651422 is 22415676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67651421) 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 7 ways as a sum of consecutive naturals, for example, 40329 + ... + 41972.

It is an arithmetic number, because the mean of its divisors is an integer number (8518257).

Almost surely, 2^67651422 is an apocalyptic number.

67651422 is an abundant number, since it is smaller than the sum of its proper divisors (68640690).

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

67651422 is a wasteful number, since it uses less digits than its factorization.

67651422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82443.

The product of its digits is 20160, while the sum is 33.

The square root of 67651422 is about 8225.0484497053. The cubic root of 67651422 is about 407.4668762517.

The spelling of 67651422 in words is "sixty-seven million, six hundred fifty-one thousand, four hundred twenty-two".