7247427 has 8 divisors (see below), whose sum is σ = 10541760. Its totient is φ = 4392360.

The previous prime is 7247411. The next prime is 7247441.

7247427 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 7247427 - 2⁴ = 7247411 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 219619 = 7247427 / (7 + 2 + 4 + 7 + 4 + 2 + 7).

It is not an unprimeable number, because it can be changed into a prime (7247407) 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, 109777 + ... + 109842.

It is an arithmetic number, because the mean of its divisors is an integer number (1317720).

Almost surely, 2^7247427 is an apocalyptic number.

7247427 is a deficient number, since it is larger than the sum of its proper divisors (3294333).

7247427 is a wasteful number, since it uses less digits than its factorization.

7247427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219633.

The product of its digits is 21952, while the sum is 33.

The square root of 7247427 is about 2692.1045670627. The cubic root of 7247427 is about 193.5209333094.

The spelling of 7247427 in words is "seven million, two hundred forty-seven thousand, four hundred twenty-seven".