7272071 has 4 divisors (see below), whose sum is σ = 7588272. Its totient is φ = 6955872.

The previous prime is 7272061. The next prime is 7272119. The reversal of 7272071 is 1702727.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7272071 - 2⁶ = 7272007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7272071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158066 + ... + 158111.

It is an arithmetic number, because the mean of its divisors is an integer number (1897068).

Almost surely, 2^7272071 is an apocalyptic number.

7272071 is a deficient number, since it is larger than the sum of its proper divisors (316201).

7272071 is a wasteful number, since it uses less digits than its factorization.

7272071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316200.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 7272071 is about 2696.6777708877. The cubic root of 7272071 is about 193.7400333409.

Adding to 7272071 its reverse (1702727), we get a palindrome (8974798).

The spelling of 7272071 in words is "seven million, two hundred seventy-two thousand, seventy-one".