7964144 has 20 divisors (see below), whose sum is σ = 15545880. Its totient is φ = 3952320.

The previous prime is 7964137. The next prime is 7964147. The reversal of 7964144 is 4414697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964147) 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, 434 + ... + 4014.

It is an arithmetic number, because the mean of its divisors is an integer number (777294).

Almost surely, 2^7964144 is an apocalyptic number.

It is an amenable number.

7964144 is a deficient number, since it is larger than the sum of its proper divisors (7581736).

7964144 is a wasteful number, since it uses less digits than its factorization.

7964144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3722 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 7964144 is about 2822.0815013036. The cubic root of 7964144 is about 199.7007524779.

The spelling of 7964144 in words is "seven million, nine hundred sixty-four thousand, one hundred forty-four".