7434340 has 24 divisors (see below), whose sum is σ = 15664320. Its totient is φ = 2963808.

The previous prime is 7434337. The next prime is 7434341. The reversal of 7434340 is 434347.

It is a super-2 number, since 2×7434340² = 110538822471200, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7434341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9691 + ... + 10429.

It is an arithmetic number, because the mean of its divisors is an integer number (652680).

Almost surely, 2^7434340 is an apocalyptic number.

It is an amenable number.

7434340 is an abundant number, since it is smaller than the sum of its proper divisors (8229980).

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

7434340 is a wasteful number, since it uses less digits than its factorization.

7434340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 7434340 is about 2726.5986136577. The cubic root of 7434340 is about 195.1704842611.

Adding to 7434340 its reverse (434347), we get a palindrome (7868687).

The spelling of 7434340 in words is "seven million, four hundred thirty-four thousand, three hundred forty".