7427040 has 48 divisors (see below), whose sum is σ = 23396688. Its totient is φ = 1980416.

The previous prime is 7427033. The next prime is 7427041. The reversal of 7427040 is 407247.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 7427040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7427041) 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, 7257 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (487431).

Almost surely, 2^7427040 is an apocalyptic number.

It is an amenable number.

7427040 is an abundant number, since it is smaller than the sum of its proper divisors (15969648).

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

7427040 is a wasteful number, since it uses less digits than its factorization.

7427040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15491 (or 15483 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7427040 is about 2725.2596206600. The cubic root of 7427040 is about 195.1065821025.

The spelling of 7427040 in words is "seven million, four hundred twenty-seven thousand, forty".