7421026 has 8 divisors (see below), whose sum is σ = 11390544. Its totient is φ = 3624180.

The previous prime is 7421021. The next prime is 7421033. The reversal of 7421026 is 6201247.

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

It is a junction number, because it is equal to n+sod(n) for n = 7420988 and 7421006.

It is not an unprimeable number, because it can be changed into a prime (7421021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43060 + ... + 43231.

It is an arithmetic number, because the mean of its divisors is an integer number (1423818).

Almost surely, 2^7421026 is an apocalyptic number.

7421026 is a deficient number, since it is larger than the sum of its proper divisors (3969518).

7421026 is a wasteful number, since it uses less digits than its factorization.

7421026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86336.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7421026 is about 2724.1560160901. The cubic root of 7421026 is about 195.0539057632.

The spelling of 7421026 in words is "seven million, four hundred twenty-one thousand, twenty-six".