7266620 has 24 divisors (see below), whose sum is σ = 15924384. Its totient is φ = 2780096.

The previous prime is 7266601. The next prime is 7266653. The reversal of 7266620 is 266627.

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 7 ways as a sum of consecutive naturals, for example, 7439 + ... + 8358.

It is an arithmetic number, because the mean of its divisors is an integer number (663516).

Almost surely, 2^7266620 is an apocalyptic number.

It is an amenable number.

7266620 is an abundant number, since it is smaller than the sum of its proper divisors (8657764).

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

7266620 is a wasteful number, since it uses less digits than its factorization.

7266620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829 (or 15827 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7266620 is about 2695.6668933679. Note that the first 3 decimals coincide. The cubic root of 7266620 is about 193.6916133469.

The spelling of 7266620 in words is "seven million, two hundred sixty-six thousand, six hundred twenty".