7391161 has 4 divisors (see below), whose sum is σ = 7484800. Its totient is φ = 7297524.

The previous prime is 7391159. The next prime is 7391179. The reversal of 7391161 is 1611937.

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: 1611937 = 677 ⋅2381.

It is a cyclic number.

It is not a de Polignac number, because 7391161 - 2¹ = 7391159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7391101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46701 + ... + 46858.

It is an arithmetic number, because the mean of its divisors is an integer number (1871200).

Almost surely, 2^7391161 is an apocalyptic number.

It is an amenable number.

7391161 is a deficient number, since it is larger than the sum of its proper divisors (93639).

7391161 is an equidigital number, since it uses as much as digits as its factorization.

7391161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93638.

The product of its digits is 1134, while the sum is 28.

The square root of 7391161 is about 2718.6689758042. The cubic root of 7391161 is about 194.7918972128.

The spelling of 7391161 in words is "seven million, three hundred ninety-one thousand, one hundred sixty-one".