7871622 has 16 divisors (see below), whose sum is σ = 17174592. Its totient is φ = 2385320.

The previous prime is 7871621. The next prime is 7871627. The reversal of 7871622 is 2261787.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59568 + ... + 59699.

It is an arithmetic number, because the mean of its divisors is an integer number (1073412).

Almost surely, 2^7871622 is an apocalyptic number.

7871622 is an abundant number, since it is smaller than the sum of its proper divisors (9302970).

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

7871622 is a wasteful number, since it uses less digits than its factorization.

7871622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119283.

The product of its digits is 9408, while the sum is 33.

The square root of 7871622 is about 2805.6411032062. The cubic root of 7871622 is about 198.9244092253.

The spelling of 7871622 in words is "seven million, eight hundred seventy-one thousand, six hundred twenty-two".