7409081 has 4 divisors (see below), whose sum is σ = 7448064. Its totient is φ = 7370100.

The previous prime is 7409047. The next prime is 7409113. The reversal of 7409081 is 1809047.

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: 1809047 = 19 ⋅95213.

It is a cyclic number.

It is not a de Polignac number, because 7409081 - 2¹⁰ = 7408057 is a prime.

It is a super-2 number, since 2×7409081² = 109788962529122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7409011) 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, 19205 + ... + 19586.

It is an arithmetic number, because the mean of its divisors is an integer number (1862016).

Almost surely, 2^7409081 is an apocalyptic number.

It is an amenable number.

7409081 is a deficient number, since it is larger than the sum of its proper divisors (38983).

7409081 is a wasteful number, since it uses less digits than its factorization.

7409081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38982.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7409081 is about 2721.9627109863. The cubic root of 7409081 is about 194.9491956186.

The spelling of 7409081 in words is "seven million, four hundred nine thousand, eighty-one".