7144764 has 48 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 2141440.

The previous prime is 7144757. The next prime is 7144769. The reversal of 7144764 is 4674417.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144769) 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, 14677 + ... + 15155.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^7144764 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 7144764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9192960).

7144764 is an abundant number, since it is smaller than the sum of its proper divisors (11241156).

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

7144764 is a wasteful number, since it uses less digits than its factorization.

7144764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 608 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 7144764 is about 2672.9691356243. The cubic root of 7144764 is about 192.6028145882.

The spelling of 7144764 in words is "seven million, one hundred forty-four thousand, seven hundred sixty-four".