7472409 has 32 divisors (see below), whose sum is σ = 11965440. Its totient is φ = 4059072.

The previous prime is 7472383. The next prime is 7472419. The reversal of 7472409 is 9042747.

It is not a de Polignac number, because 7472409 - 2⁹ = 7471897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7472409.

It is not an unprimeable number, because it can be changed into a prime (7472419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45762 + ... + 45924.

It is an arithmetic number, because the mean of its divisors is an integer number (373920).

Almost surely, 2^7472409 is an apocalyptic number.

It is an amenable number.

7472409 is a deficient number, since it is larger than the sum of its proper divisors (4493031).

7472409 is a wasteful number, since it uses less digits than its factorization.

7472409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 7472409 is about 2733.5707417223. The cubic root of 7472409 is about 195.5030535256.

The spelling of 7472409 in words is "seven million, four hundred seventy-two thousand, four hundred nine".