7213768 has 16 divisors (see below), whose sum is σ = 14238000. Its totient is φ = 3416976.

The previous prime is 7213751. The next prime is 7213769. The reversal of 7213768 is 8673127.

It is not an unprimeable number, because it can be changed into a prime (7213769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23578 + ... + 23881.

It is an arithmetic number, because the mean of its divisors is an integer number (889875).

Almost surely, 2^7213768 is an apocalyptic number.

It is an amenable number.

7213768 is a deficient number, since it is larger than the sum of its proper divisors (7024232).

7213768 is a wasteful number, since it uses less digits than its factorization.

7213768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47484 (or 47480 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 7213768 is about 2685.8458630383. The cubic root of 7213768 is about 193.2208805681.

It can be divided in two parts, 721 and 3768, that added together give a square (4489 = 67²).

The spelling of 7213768 in words is "seven million, two hundred thirteen thousand, seven hundred sixty-eight".