7404381 has 12 divisors (see below), whose sum is σ = 11040640. Its totient is φ = 4776840.

The previous prime is 7404379. The next prime is 7404389. The reversal of 7404381 is 1834047.

It is not a de Polignac number, because 7404381 - 2¹ = 7404379 is a prime.

It is a super-2 number, since 2×7404381² = 109649715986322, 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 (7404389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12991 + ... + 13548.

Almost surely, 2^7404381 is an apocalyptic number.

It is an amenable number.

7404381 is a deficient number, since it is larger than the sum of its proper divisors (3636259).

7404381 is a wasteful number, since it uses less digits than its factorization.

7404381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26576 (or 26573 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 7404381 is about 2721.0992264157. The cubic root of 7404381 is about 194.9079644577.

The spelling of 7404381 in words is "seven million, four hundred four thousand, three hundred eighty-one".