7842164 has 12 divisors (see below), whose sum is σ = 14971488. Its totient is φ = 3564600.

The previous prime is 7842143. The next prime is 7842167. The reversal of 7842164 is 4612487.

It is a super-2 number, since 2×7842164² = 122999072405792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7842164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7842167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89072 + ... + 89159.

It is an arithmetic number, because the mean of its divisors is an integer number (1247624).

Almost surely, 2^7842164 is an apocalyptic number.

It is an amenable number.

7842164 is a deficient number, since it is larger than the sum of its proper divisors (7129324).

7842164 is a wasteful number, since it uses less digits than its factorization.

7842164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178246 (or 178244 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 7842164 is about 2800.3864019096. The cubic root of 7842164 is about 198.6759538522.

The spelling of 7842164 in words is "seven million, eight hundred forty-two thousand, one hundred sixty-four".