7404181 has 8 divisors (see below), whose sum is σ = 7699104. Its totient is φ = 7114320.

The previous prime is 7404161. The next prime is 7404203. The reversal of 7404181 is 1814047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7404181 - 2¹⁹ = 6879893 is a prime.

It is a super-2 number, since 2×7404181² = 109643792561522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7404101) 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, 1866 + ... + 4276.

It is an arithmetic number, because the mean of its divisors is an integer number (962388).

Almost surely, 2^7404181 is an apocalyptic number.

It is an amenable number.

7404181 is a deficient number, since it is larger than the sum of its proper divisors (294923).

7404181 is a wasteful number, since it uses less digits than its factorization.

7404181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 7404181 is about 2721.0624763133. The cubic root of 7404181 is about 194.9062095532.

The spelling of 7404181 in words is "seven million, four hundred four thousand, one hundred eighty-one".