7911442 has 48 divisors (see below), whose sum is σ = 15513120. Its totient is φ = 2990400.

The previous prime is 7911433. The next prime is 7911457. The reversal of 7911442 is 2441197.

It is a self number, because there is not a number n which added to its sum of digits gives 7911442.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44109 + ... + 44287.

It is an arithmetic number, because the mean of its divisors is an integer number (323190).

Almost surely, 2^7911442 is an apocalyptic number.

7911442 is a deficient number, since it is larger than the sum of its proper divisors (7601678).

7911442 is a wasteful number, since it uses less digits than its factorization.

7911442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 240 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 7911442 is about 2812.7285684900. The cubic root of 7911442 is about 199.2592766984.

The spelling of 7911442 in words is "seven million, nine hundred eleven thousand, four hundred forty-two".