7020426 has 24 divisors (see below), whose sum is σ = 16333920. Its totient is φ = 2005752.

The previous prime is 7020413. The next prime is 7020427. The reversal of 7020426 is 6240207.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (7020427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11646 + ... + 12233.

It is an arithmetic number, because the mean of its divisors is an integer number (680580).

Almost surely, 2^7020426 is an apocalyptic number.

7020426 is an abundant number, since it is smaller than the sum of its proper divisors (9313494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7020426 is a wasteful number, since it uses less digits than its factorization.

7020426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23898 (or 23891 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7020426 is about 2649.6086503482. The cubic root of 7020426 is about 191.4790020311.

The spelling of 7020426 in words is "seven million, twenty thousand, four hundred twenty-six".