7374720 has 128 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 1869824.

The previous prime is 7374709. The next prime is 7374727. The reversal of 7374720 is 274737.

It is a happy number.

7374720 is a nontrivial binomial coefficient, being equal to C(3841, 2).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7374727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44077 + ... + 44243.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

Almost surely, 2^7374720 is an apocalyptic number.

7374720 is the 3840-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7374720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12337920).

7374720 is an abundant number, since it is smaller than the sum of its proper divisors (17301120).

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

7374720 is a wasteful number, since it uses less digits than its factorization.

7374720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 7374720 is about 2715.6435701321. The cubic root of 7374720 is about 194.6473573975.

The spelling of 7374720 in words is "seven million, three hundred seventy-four thousand, seven hundred twenty".