7484340 has 24 divisors (see below), whose sum is σ = 20956320. Its totient is φ = 1995808.

The previous prime is 7484333. The next prime is 7484341. The reversal of 7484340 is 434847.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7484298 and 7484307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7484341) 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, 62310 + ... + 62429.

It is an arithmetic number, because the mean of its divisors is an integer number (873180).

Almost surely, 2^7484340 is an apocalyptic number.

It is an amenable number.

7484340 is an abundant number, since it is smaller than the sum of its proper divisors (13471980).

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

7484340 is a wasteful number, since it uses less digits than its factorization.

7484340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124751 (or 124749 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 7484340 is about 2735.7521817592. The cubic root of 7484340 is about 195.6070497332.

The spelling of 7484340 in words is "seven million, four hundred eighty-four thousand, three hundred forty".