7428267 has 48 divisors (see below), whose sum is σ = 13907712. Its totient is φ = 3849120.

The previous prime is 7428227. The next prime is 7428271. The reversal of 7428267 is 7628247.

It is not a de Polignac number, because 7428267 - 2⁶ = 7428203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7428217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18513 + ... + 18909.

It is an arithmetic number, because the mean of its divisors is an integer number (289744).

Almost surely, 2^7428267 is an apocalyptic number.

7428267 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

7428267 is a deficient number, since it is larger than the sum of its proper divisors (6479445).

7428267 is a wasteful number, since it uses less digits than its factorization.

7428267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 418 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 7428267 is about 2725.4847275301. The cubic root of 7428267 is about 195.1173258440.

It can be divided in two parts, 742 and 8267, that added together give a palindrome (9009).

The spelling of 7428267 in words is "seven million, four hundred twenty-eight thousand, two hundred sixty-seven".