7404407 has 4 divisors (see below), whose sum is σ = 7410096. Its totient is φ = 7398720.

The previous prime is 7404389. The next prime is 7404409. The reversal of 7404407 is 7044047.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7044047 = 239 ⋅29473.

It is a cyclic number.

It is not a de Polignac number, because 7404407 - 2⁶ = 7404343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7404409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182 + ... + 3852.

It is an arithmetic number, because the mean of its divisors is an integer number (1852524).

Almost surely, 2^7404407 is an apocalyptic number.

7404407 is a deficient number, since it is larger than the sum of its proper divisors (5689).

7404407 is a wasteful number, since it uses less digits than its factorization.

7404407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 7404407 is about 2721.1040038925. The cubic root of 7404407 is about 194.9081925930.

The spelling of 7404407 in words is "seven million, four hundred four thousand, four hundred seven".