7423212 has 24 divisors (see below), whose sum is σ = 17606512. Its totient is φ = 2433600.

The previous prime is 7423211. The next prime is 7423231. The reversal of 7423212 is 2123247.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7423211) 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, 4339 + ... + 5802.

Almost surely, 2^7423212 is an apocalyptic number.

It is an amenable number.

7423212 is an abundant number, since it is smaller than the sum of its proper divisors (10183300).

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

7423212 is a wasteful number, since it uses less digits than its factorization.

7423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209 (or 10207 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 7423212 is about 2724.5572117318. The cubic root of 7423212 is about 195.0730561240.

Adding to 7423212 its reverse (2123247), we get a palindrome (9546459).

The spelling of 7423212 in words is "seven million, four hundred twenty-three thousand, two hundred twelve".