7421266 has 8 divisors (see below), whose sum is σ = 11144700. Its totient is φ = 3706368.

The previous prime is 7421263. The next prime is 7421329. The reversal of 7421266 is 6621247.

It can be written as a sum of positive squares in 2 ways, for example, as 6734025 + 687241 = 2595^2 + 829^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7421261) 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, 910 + ... + 3958.

Almost surely, 2^7421266 is an apocalyptic number.

7421266 is a deficient number, since it is larger than the sum of its proper divisors (3723434).

7421266 is a wasteful number, since it uses less digits than its factorization.

7421266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268.

The product of its digits is 4032, while the sum is 28.

The square root of 7421266 is about 2724.2000660744. The cubic root of 7421266 is about 195.0560084568.

The spelling of 7421266 in words is "seven million, four hundred twenty-one thousand, two hundred sixty-six".