7720612 has 48 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 3386880.

The previous prime is 7720597. The next prime is 7720619. The reversal of 7720612 is 2160277.

It is not an unprimeable number, because it can be changed into a prime (7720619) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68268 + ... + 68380.

It is an arithmetic number, because the mean of its divisors is an integer number (319200).

Almost surely, 2^7720612 is an apocalyptic number.

It is an amenable number.

7720612 is a deficient number, since it is larger than the sum of its proper divisors (7600988).

7720612 is a wasteful number, since it uses less digits than its factorization.

7720612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 7720612 is about 2778.5989275172. The cubic root of 7720612 is about 197.6441248911.

Adding to 7720612 its reverse (2160277), we get a palindrome (9880889).

The spelling of 7720612 in words is "seven million, seven hundred twenty thousand, six hundred twelve".