7409401 has 4 divisors (see below), whose sum is σ = 7430400. Its totient is φ = 7388404.

The previous prime is 7409393. The next prime is 7409407. The reversal of 7409401 is 1049047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1049047 = 19 ⋅55213.

It is a cyclic number.

It is not a de Polignac number, because 7409401 - 2³ = 7409393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7409407) 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 3 ways as a sum of consecutive naturals, for example, 9961 + ... + 10678.

It is an arithmetic number, because the mean of its divisors is an integer number (1857600).

Almost surely, 2^7409401 is an apocalyptic number.

It is an amenable number.

7409401 is a deficient number, since it is larger than the sum of its proper divisors (20999).

7409401 is a wasteful number, since it uses less digits than its factorization.

7409401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20998.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7409401 is about 2722.0214914655. The cubic root of 7409401 is about 194.9520022125.

The spelling of 7409401 in words is "seven million, four hundred nine thousand, four hundred one".