7426290 has 32 divisors (see below), whose sum is σ = 18072576. Its totient is φ = 1952640.

The previous prime is 7426277. The next prime is 7426301. The reversal of 7426290 is 926247.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 7⁸ + 4¹⁰ + 2¹¹ + 6⁶ + 2¹⁵ + 9⁶ + 0 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 495 + ... + 3885.

It is an arithmetic number, because the mean of its divisors is an integer number (564768).

Almost surely, 2^7426290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7426290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9036288).

7426290 is an abundant number, since it is smaller than the sum of its proper divisors (10646286).

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

7426290 is a wasteful number, since it uses less digits than its factorization.

7426290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 7426290 is about 2725.1220156169. The cubic root of 7426290 is about 195.1000144406.

The spelling of 7426290 in words is "seven million, four hundred twenty-six thousand, two hundred ninety".