7422912 has 126 divisors (see below), whose sum is σ = 24844248. Its totient is φ = 2112768.

The previous prime is 7422893. The next prime is 7422913. The reversal of 7422912 is 2192247.

It is a tau number, because it is divible by the number of its divisors (126).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422913) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28093 + ... + 28355.

Almost surely, 2^7422912 is an apocalyptic number.

7422912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7422912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12422124).

7422912 is an abundant number, since it is smaller than the sum of its proper divisors (17421336).

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

7422912 is a wasteful number, since it uses less digits than its factorization.

7422912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 275 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 7422912 is about 2724.5021563581. The cubic root of 7422912 is about 195.0704282093.

The spelling of 7422912 in words is "seven million, four hundred twenty-two thousand, nine hundred twelve".