7374409 has 4 divisors (see below), whose sum is σ = 8427904. Its totient is φ = 6320916.

The previous prime is 7374407. The next prime is 7374427. The reversal of 7374409 is 9044737.

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: 9044737 = 13 ⋅695749.

It is not a de Polignac number, because 7374409 - 2¹ = 7374407 is a prime.

It is a Duffinian number.

7374409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7374403) 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, 526737 + ... + 526750.

It is an arithmetic number, because the mean of its divisors is an integer number (2106976).

Almost surely, 2^7374409 is an apocalyptic number.

It is an amenable number.

7374409 is a deficient number, since it is larger than the sum of its proper divisors (1053495).

7374409 is a wasteful number, since it uses less digits than its factorization.

7374409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053494.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 7374409 is about 2715.5863087002. The cubic root of 7374409 is about 194.6446211951.

The spelling of 7374409 in words is "seven million, three hundred seventy-four thousand, four hundred nine".