7423164 has 72 divisors (see below), whose sum is σ = 22259328. Its totient is φ = 2118960.

The previous prime is 7423153. The next prime is 7423187. The reversal of 7423164 is 4613247.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 6259 + ... + 7349.

Almost surely, 2^7423164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7423164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11129664).

7423164 is an abundant number, since it is smaller than the sum of its proper divisors (14836164).

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

7423164 is a wasteful number, since it uses less digits than its factorization.

7423164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1103 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 7423164 is about 2724.5484029468. The cubic root of 7423164 is about 195.0726356624.

The spelling of 7423164 in words is "seven million, four hundred twenty-three thousand, one hundred sixty-four".