7642212 has 12 divisors (see below), whose sum is σ = 17831856. Its totient is φ = 2547400.

The previous prime is 7642183. The next prime is 7642241. The reversal of 7642212 is 2122467.

It is an interprime number because it is at equal distance from previous prime (7642183) and next prime (7642241).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 318414 + ... + 318437.

It is an arithmetic number, because the mean of its divisors is an integer number (1485988).

Almost surely, 2^7642212 is an apocalyptic number.

It is an amenable number.

7642212 is an abundant number, since it is smaller than the sum of its proper divisors (10189644).

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

7642212 is a wasteful number, since it uses less digits than its factorization.

7642212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636858 (or 636856 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 7642212 is about 2764.4551000152. The cubic root of 7642212 is about 196.9728461977.

Adding to 7642212 its reverse (2122467), we get a palindrome (9764679).

The spelling of 7642212 in words is "seven million, six hundred forty-two thousand, two hundred twelve".