7272270 has 24 divisors (see below), whose sum is σ = 18908136. Its totient is φ = 1939248.

The previous prime is 7272257. The next prime is 7272283. The reversal of 7272270 is 722727.

It is an interprime number because it is at equal distance from previous prime (7272257) and next prime (7272283).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40312 + ... + 40491.

It is an arithmetic number, because the mean of its divisors is an integer number (787839).

Almost surely, 2^7272270 is an apocalyptic number.

7272270 is an abundant number, since it is smaller than the sum of its proper divisors (11635866).

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

7272270 is a wasteful number, since it uses less digits than its factorization.

7272270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80816 (or 80813 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 7272270 is about 2696.7146678876. The cubic root of 7272270 is about 193.7418005548.

Adding to 7272270 its reverse (722727), we get a palindrome (7994997).

The spelling of 7272270 in words is "seven million, two hundred seventy-two thousand, two hundred seventy".