7367881 has 4 divisors (see below), whose sum is σ = 7378372. Its totient is φ = 7357392.

The previous prime is 7367837. The next prime is 7367887. The reversal of 7367881 is 1887637.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5569600 + 1798281 = 2360^2 + 1341^2 .

It is a cyclic number.

It is not a de Polignac number, because 7367881 - 2⁷ = 7367753 is a prime.

It is a super-2 number, since 2×7367881² = 108571340860322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7367887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4110 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (1844593).

Almost surely, 2^7367881 is an apocalyptic number.

It is an amenable number.

7367881 is a deficient number, since it is larger than the sum of its proper divisors (10491).

7367881 is an equidigital number, since it uses as much as digits as its factorization.

7367881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490.

The product of its digits is 56448, while the sum is 40.

The square root of 7367881 is about 2714.3840922021. The cubic root of 7367881 is about 194.5871695763.

The spelling of 7367881 in words is "seven million, three hundred sixty-seven thousand, eight hundred eighty-one".