7494040 has 32 divisors (see below), whose sum is σ = 17257680. Its totient is φ = 2927232.

The previous prime is 7494031. The next prime is 7494049. The reversal of 7494040 is 404947.

It is an interprime number because it is at equal distance from previous prime (7494031) and next prime (7494049).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7494049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459 + ... + 3898.

Almost surely, 2^7494040 is an apocalyptic number.

It is an amenable number.

7494040 is an abundant number, since it is smaller than the sum of its proper divisors (9763640).

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

7494040 is a wasteful number, since it uses less digits than its factorization.

7494040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7494040 is about 2737.5244291147. The cubic root of 7494040 is about 195.6915180708.

Adding to 7494040 its reverse (404947), we get a palindrome (7898987).

The spelling of 7494040 in words is "seven million, four hundred ninety-four thousand, forty".