7620444 has 72 divisors (see below), whose sum is σ = 21861840. Its totient is φ = 2218752.

The previous prime is 7620443. The next prime is 7620449. The reversal of 7620444 is 4440267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7620443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8464 + ... + 9320.

Almost surely, 2^7620444 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 7620444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10930920).

7620444 is an abundant number, since it is smaller than the sum of its proper divisors (14241396).

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

7620444 is a wasteful number, since it uses less digits than its factorization.

7620444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 7620444 is about 2760.5151693117. The cubic root of 7620444 is about 196.7856498559.

The spelling of 7620444 in words is "seven million, six hundred twenty thousand, four hundred forty-four".