7422727 has 8 divisors (see below), whose sum is σ = 8464176. Its totient is φ = 6448512.

The previous prime is 7422719. The next prime is 7422743. The reversal of 7422727 is 7272247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7422727 - 2³ = 7422719 is a prime.

It is a super-2 number, since 2×7422727² = 110193752233058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16573 + ... + 17014.

It is an arithmetic number, because the mean of its divisors is an integer number (1058022).

Almost surely, 2^7422727 is an apocalyptic number.

7422727 is a deficient number, since it is larger than the sum of its proper divisors (1041449).

7422727 is a wasteful number, since it uses less digits than its factorization.

7422727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33617.

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

The square root of 7422727 is about 2724.4682049897. The cubic root of 7422727 is about 195.0688076265.

It can be divided in two parts, 74 and 22727, that added together give a square (22801 = 151²).

The spelling of 7422727 in words is "seven million, four hundred twenty-two thousand, seven hundred twenty-seven".