7272137 has 2 divisors, whose sum is σ = 7272138. Its totient is φ = 7272136.

The previous prime is 7272131. The next prime is 7272143. The reversal of 7272137 is 7312727.

It is a balanced prime because it is at equal distance from previous prime (7272131) and next prime (7272143).

It can be written as a sum of positive squares in only one way, i.e., 7268416 + 3721 = 2696^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 7272137 - 2⁴ = 7272121 is a prime.

It is not a weakly prime, because it can be changed into another prime (7272131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636068 + 3636069.

It is an arithmetic number, because the mean of its divisors is an integer number (3636069).

Almost surely, 2^7272137 is an apocalyptic number.

It is an amenable number.

7272137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7272137 is an equidigital number, since it uses as much as digits as its factorization.

7272137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 29.

The square root of 7272137 is about 2696.6900081396. The cubic root of 7272137 is about 193.7406194557.

The spelling of 7272137 in words is "seven million, two hundred seventy-two thousand, one hundred thirty-seven".