7272061 has 2 divisors, whose sum is σ = 7272062. Its totient is φ = 7272060.

The previous prime is 7272059. The next prime is 7272119. The reversal of 7272061 is 1602727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5040025 + 2232036 = 2245^2 + 1494^2 .

It is a cyclic number.

It is not a de Polignac number, because 7272061 - 2¹ = 7272059 is a prime.

Together with 7272059, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7272361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636030 + 3636031.

It is an arithmetic number, because the mean of its divisors is an integer number (3636031).

Almost surely, 2^7272061 is an apocalyptic number.

It is an amenable number.

7272061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7272061 is an equidigital number, since it uses as much as digits as its factorization.

7272061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 7272061 is about 2696.6759167538. The cubic root of 7272061 is about 193.7399445354.

Adding to 7272061 its reverse (1602727), we get a palindrome (8874788).

The spelling of 7272061 in words is "seven million, two hundred seventy-two thousand, sixty-one".