7826442 has 32 divisors (see below), whose sum is σ = 17747520. Its totient is φ = 2280960.

The previous prime is 7826437. The next prime is 7826447. The reversal of 7826442 is 2446287.

7826442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7826437) and next prime (7826447).

It is a super-2 number, since 2×7826442² = 122506388758728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7826447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (554610).

Almost surely, 2^7826442 is an apocalyptic number.

7826442 is an abundant number, since it is smaller than the sum of its proper divisors (9921078).

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

7826442 is a wasteful number, since it uses less digits than its factorization.

7826442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318.

The product of its digits is 21504, while the sum is 33.

The square root of 7826442 is about 2797.5778809535. The cubic root of 7826442 is about 198.5430962606.

The spelling of 7826442 in words is "seven million, eight hundred twenty-six thousand, four hundred forty-two".