7005881 has 4 divisors (see below), whose sum is σ = 7045200. Its totient is φ = 6966564.

The previous prime is 7005877. The next prime is 7005899. The reversal of 7005881 is 1885007.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 7005881 - 2² = 7005877 is a prime.

It is a super-2 number, since 2×7005881² = 98164737172322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7005821) 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, 19391 + ... + 19748.

It is an arithmetic number, because the mean of its divisors is an integer number (1761300).

Almost surely, 2^7005881 is an apocalyptic number.

It is an amenable number.

7005881 is a deficient number, since it is larger than the sum of its proper divisors (39319).

7005881 is a wasteful number, since it uses less digits than its factorization.

7005881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39318.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 7005881 is about 2646.8624822608. The cubic root of 7005881 is about 191.3466744641.

The spelling of 7005881 in words is "seven million, five thousand, eight hundred eighty-one".