7644394 has 8 divisors (see below), whose sum is σ = 11661120. Its totient is φ = 3757356.

The previous prime is 7644391. The next prime is 7644421. The reversal of 7644394 is 4934467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7644391) 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, 32274 + ... + 32509.

It is an arithmetic number, because the mean of its divisors is an integer number (1457640).

Almost surely, 2^7644394 is an apocalyptic number.

7644394 is a deficient number, since it is larger than the sum of its proper divisors (4016726).

7644394 is a wasteful number, since it uses less digits than its factorization.

7644394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64844.

The product of its digits is 72576, while the sum is 37.

The square root of 7644394 is about 2764.8497246686. The cubic root of 7644394 is about 196.9915909386.

The spelling of 7644394 in words is "seven million, six hundred forty-four thousand, three hundred ninety-four".