7401744 has 90 divisors (see below), whose sum is σ = 24119550. Its totient is φ = 2112768.

The previous prime is 7401731. The next prime is 7401767. The reversal of 7401744 is 4471047.

It can be written as a sum of positive squares in only one way, i.e., 7225344 + 176400 = 2688^2 + 420^2 .

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6532 + ... + 7580.

It is an arithmetic number, because the mean of its divisors is an integer number (267995).

Almost surely, 2^7401744 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 7401744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12059775).

7401744 is an abundant number, since it is smaller than the sum of its proper divisors (16717806).

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

7401744 is a wasteful number, since it uses less digits than its factorization.

7401744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 7401744 is about 2720.6146364379. The cubic root of 7401744 is about 194.8848235033.

The spelling of 7401744 in words is "seven million, four hundred one thousand, seven hundred forty-four".