7434 has 24 divisors (see below), whose sum is σ = 18720. Its totient is φ = 2088.

The previous prime is 7433. The next prime is 7451. The reversal of 7434 is 4347.

Added to its reverse (4347) it gives a triangular number (11781 = T₁₅₃).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97 + ... + 155.

It is an arithmetic number, because the mean of its divisors is an integer number (780).

2⁷⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9360).

7434 is an abundant number, since it is smaller than the sum of its proper divisors (11286).

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

7434 is a wasteful number, since it uses less digits than its factorization.

7434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 71 counting only the distinct ones).

The product of its digits is 336, while the sum is 18.

The square root of 7434 is about 86.2206471792. The cubic root of 7434 is about 19.5167508925.

Adding to 7434 its reverse (4347), we get a triangular number (11781 = T₁₅₃).

It can be divided in two parts, 743 and 4, that added together give a palindrome (747).

The spelling of 7434 in words is "seven thousand, four hundred thirty-four".