7272869 has 2 divisors, whose sum is σ = 7272870. Its totient is φ = 7272868.

The previous prime is 7272841. The next prime is 7272883. The reversal of 7272869 is 9682727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 52900 = 2687^2 + 230^2 .

It is an emirp because it is prime and its reverse (9682727) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7272869 is a prime.

It is a super-2 number, since 2×7272869² = 105789246982322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7272809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636434 + 3636435.

It is an arithmetic number, because the mean of its divisors is an integer number (3636435).

Almost surely, 2^7272869 is an apocalyptic number.

It is an amenable number.

7272869 is a deficient number, since it is larger than the sum of its proper divisors (1).

7272869 is an equidigital number, since it uses as much as digits as its factorization.

7272869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 7272869 is about 2696.8257266646. The cubic root of 7272869 is about 193.7471197629.

The spelling of 7272869 in words is "seven million, two hundred seventy-two thousand, eight hundred sixty-nine".