7404009 has 8 divisors (see below), whose sum is σ = 10190592. Its totient is φ = 4776720.

The previous prime is 7403987. The next prime is 7404029. The reversal of 7404009 is 9004047.

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

It is a de Polignac number, because none of the positive numbers 2^k-7404009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7404009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7404029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39714 + ... + 39899.

It is an arithmetic number, because the mean of its divisors is an integer number (1273824).

Almost surely, 2^7404009 is an apocalyptic number.

It is an amenable number.

7404009 is a deficient number, since it is larger than the sum of its proper divisors (2786583).

7404009 is a wasteful number, since it uses less digits than its factorization.

7404009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79647.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7404009 is about 2721.0308708282. The cubic root of 7404009 is about 194.9047003101.

The spelling of 7404009 in words is "seven million, four hundred four thousand, nine".