7270665 has 16 divisors (see below), whose sum is σ = 11881728. Its totient is φ = 3794816.

The previous prime is 7270663. The next prime is 7270693. The reversal of 7270665 is 5660727.

7270665 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7270665 - 2¹ = 7270663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7270661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4452 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (742608).

Almost surely, 2^7270665 is an apocalyptic number.

It is an amenable number.

7270665 is a deficient number, since it is larger than the sum of its proper divisors (4611063).

7270665 is a wasteful number, since it uses less digits than its factorization.

7270665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10368.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 7270665 is about 2696.4170671467. The cubic root of 7270665 is about 193.7275464788.

It can be divided in two parts, 72706 and 65, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 7270665 in words is "seven million, two hundred seventy thousand, six hundred sixty-five".