7661212 has 12 divisors (see below), whose sum is σ = 14438536. Its totient is φ = 3535920.

The previous prime is 7661207. The next prime is 7661221. The reversal of 7661212 is 2121667.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73614 + ... + 73717.

Almost surely, 2^7661212 is an apocalyptic number.

It is an amenable number.

7661212 is a deficient number, since it is larger than the sum of its proper divisors (6777324).

7661212 is a wasteful number, since it uses less digits than its factorization.

7661212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147348 (or 147346 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 7661212 is about 2767.8894486594. The cubic root of 7661212 is about 197.1359484882.

Adding to 7661212 its reverse (2121667), we get a palindrome (9782879).

The spelling of 7661212 in words is "seven million, six hundred sixty-one thousand, two hundred twelve".