7491434 has 16 divisors (see below), whose sum is σ = 11923200. Its totient is φ = 3520224.

The previous prime is 7491403. The next prime is 7491439. The reversal of 7491434 is 4341947.

It is a happy number.

It is a super-2 number, since 2×7491434² = 112243166752712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7491434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7491439) 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 7 ways as a sum of consecutive naturals, for example, 4487 + ... + 5925.

It is an arithmetic number, because the mean of its divisors is an integer number (745200).

Almost surely, 2^7491434 is an apocalyptic number.

7491434 is a deficient number, since it is larger than the sum of its proper divisors (4431766).

7491434 is a wasteful number, since it uses less digits than its factorization.

7491434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597.

The product of its digits is 12096, while the sum is 32.

The square root of 7491434 is about 2737.0484102405. The cubic root of 7491434 is about 195.6688319887.

The spelling of 7491434 in words is "seven million, four hundred ninety-one thousand, four hundred thirty-four".