7874442 has 16 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 2624796.

The previous prime is 7874431. The next prime is 7874467. The reversal of 7874442 is 2444787.

It is a super-2 number, since 2×7874442² = 124013673622728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7874397 and 7874406.

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 7 ways as a sum of consecutive naturals, for example, 72858 + ... + 72965.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^7874442 is an apocalyptic number.

7874442 is an abundant number, since it is smaller than the sum of its proper divisors (9624438).

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

7874442 is a wasteful number, since it uses less digits than its factorization.

7874442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145834 (or 145828 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 7874442 is about 2806.1436171372. The cubic root of 7874442 is about 198.9481612067.

The spelling of 7874442 in words is "seven million, eight hundred seventy-four thousand, four hundred forty-two".