7493444 has 48 divisors (see below), whose sum is σ = 15805440. Its totient is φ = 3041280.

The previous prime is 7493443. The next prime is 7493449. The reversal of 7493444 is 4443947.

It is a happy number.

It is a super-2 number, since 2×7493444² = 112303405962272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7493443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 77204 + ... + 77300.

It is an arithmetic number, because the mean of its divisors is an integer number (329280).

Almost surely, 2^7493444 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 7493444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7902720).

7493444 is an abundant number, since it is smaller than the sum of its proper divisors (8311996).

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

7493444 is a wasteful number, since it uses less digits than its factorization.

7493444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 226 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 7493444 is about 2737.4155694742. The cubic root of 7493444 is about 195.6863301599.

The spelling of 7493444 in words is "seven million, four hundred ninety-three thousand, four hundred forty-four".