7272999 has 6 divisors (see below), whose sum is σ = 10505456. Its totient is φ = 4848660.

The previous prime is 7272971. The next prime is 7273001. The reversal of 7272999 is 9992727.

It is not a de Polignac number, because 7272999 - 2¹² = 7268903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404047 + ... + 404064.

Almost surely, 2^7272999 is an apocalyptic number.

7272999 is a deficient number, since it is larger than the sum of its proper divisors (3232457).

7272999 is a wasteful number, since it uses less digits than its factorization.

7272999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808117 (or 808114 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 7272999 is about 2696.8498289671. The cubic root of 7272999 is about 193.7482741435.

The spelling of 7272999 in words is "seven million, two hundred seventy-two thousand, nine hundred ninety-nine".