7224727 has 4 divisors (see below), whose sum is σ = 7347240. Its totient is φ = 7102216.

The previous prime is 7224709. The next prime is 7224743. The reversal of 7224727 is 7274227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7274227 = 863 ⋅8429.

It is a cyclic number.

It is not a de Polignac number, because 7224727 - 2¹⁵ = 7191959 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

7224727 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224127) 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, 61168 + ... + 61285.

It is an arithmetic number, because the mean of its divisors is an integer number (1836810).

Almost surely, 2^7224727 is an apocalyptic number.

7224727 is a deficient number, since it is larger than the sum of its proper divisors (122513).

7224727 is a wasteful number, since it uses less digits than its factorization.

7224727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122512.

The product of its digits is 10976, while the sum is 31.

The square root of 7224727 is about 2687.8852282045. The cubic root of 7224727 is about 193.3186767195.

The spelling of 7224727 in words is "seven million, two hundred twenty-four thousand, seven hundred twenty-seven".