8422072 has 16 divisors (see below), whose sum is σ = 16720560. Its totient is φ = 3963264.

The previous prime is 8422067. The next prime is 8422079. The reversal of 8422072 is 2702248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8422079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30828 + ... + 31099.

It is an arithmetic number, because the mean of its divisors is an integer number (1045035).

Almost surely, 2^8422072 is an apocalyptic number.

It is an amenable number.

8422072 is a deficient number, since it is larger than the sum of its proper divisors (8298488).

8422072 is a wasteful number, since it uses less digits than its factorization.

8422072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61950 (or 61946 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 8422072 is about 2902.0806329253. The cubic root of 8422072 is about 203.4571624723.

The spelling of 8422072 in words is "eight million, four hundred twenty-two thousand, seventy-two".