7610881 has 4 divisors (see below), whose sum is σ = 7620912. Its totient is φ = 7600852.

The previous prime is 7610879. The next prime is 7610921. The reversal of 7610881 is 1880167.

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 7610881 - 2¹ = 7610879 is a prime.

It is a super-2 number, since 2×7610881² = 115851019192322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7610821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3775 + ... + 5428.

It is an arithmetic number, because the mean of its divisors is an integer number (1905228).

Almost surely, 2^7610881 is an apocalyptic number.

It is an amenable number.

7610881 is a deficient number, since it is larger than the sum of its proper divisors (10031).

7610881 is an equidigital number, since it uses as much as digits as its factorization.

7610881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 7610881 is about 2758.7825213307. The cubic root of 7610881 is about 196.7032990589.

The spelling of 7610881 in words is "seven million, six hundred ten thousand, eight hundred eighty-one".