7420743 has 24 divisors (see below), whose sum is σ = 12205440. Its totient is φ = 4300560.

The previous prime is 7420741. The next prime is 7420753. The reversal of 7420743 is 3470247.

It is not a de Polignac number, because 7420743 - 2¹ = 7420741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648 + ... + 3906.

It is an arithmetic number, because the mean of its divisors is an integer number (508560).

Almost surely, 2^7420743 is an apocalyptic number.

7420743 is a deficient number, since it is larger than the sum of its proper divisors (4784697).

7420743 is a wasteful number, since it uses less digits than its factorization.

7420743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299 (or 3296 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 7420743 is about 2724.1040729018. The cubic root of 7420743 is about 195.0514262786.

It can be divided in two parts, 742074 and 3, that multiplied together give a palindrome (2226222).

The spelling of 7420743 in words is "seven million, four hundred twenty thousand, seven hundred forty-three".