7214144 has 28 divisors (see below), whose sum is σ = 16361664. Its totient is φ = 3091584.

The previous prime is 7214143. The next prime is 7214161. The reversal of 7214144 is 4414127.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

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

It is not an unprimeable number, because it can be changed into a prime (7214143) 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, 7604 + ... + 8499.

Almost surely, 2^7214144 is an apocalyptic number.

It is an amenable number.

7214144 is an abundant number, since it is smaller than the sum of its proper divisors (9147520).

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

7214144 is a wasteful number, since it uses less digits than its factorization.

7214144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16122 (or 16112 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 7214144 is about 2685.9158586970. The cubic root of 7214144 is about 193.2242375649.

The spelling of 7214144 in words is "seven million, two hundred fourteen thousand, one hundred forty-four".