61743876 has 12 divisors (see below), whose sum is σ = 144069072. Its totient is φ = 20581288.

The previous prime is 61743841. The next prime is 61743889. The reversal of 61743876 is 67834716.

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

It is an unprimeable number.

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, 2572650 + ... + 2572673.

It is an arithmetic number, because the mean of its divisors is an integer number (12005756).

Almost surely, 2^61743876 is an apocalyptic number.

It is an amenable number.

61743876 is an abundant number, since it is smaller than the sum of its proper divisors (82325196).

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

61743876 is a wasteful number, since it uses less digits than its factorization.

61743876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145330 (or 5145328 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 61743876 is about 7857.7271523005. The cubic root of 61743876 is about 395.2434028314.

The spelling of 61743876 in words is "sixty-one million, seven hundred forty-three thousand, eight hundred seventy-six".