61281876 has 12 divisors (see below), whose sum is σ = 142991072. Its totient is φ = 20427288.

The previous prime is 61281863. The next prime is 61281877. The reversal of 61281876 is 67818216.

61281876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61281877) 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, 2553400 + ... + 2553423.

Almost surely, 2^61281876 is an apocalyptic number.

It is an amenable number.

61281876 is an abundant number, since it is smaller than the sum of its proper divisors (81709196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61281876 is a wasteful number, since it uses less digits than its factorization.

61281876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106830 (or 5106828 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 61281876 is about 7828.2741392979. The cubic root of 61281876 is about 394.2551277771.

The spelling of 61281876 in words is "sixty-one million, two hundred eighty-one thousand, eight hundred seventy-six".