61380844 has 24 divisors (see below), whose sum is σ = 124597760. Its totient is φ = 25912656.

The previous prime is 61380841. The next prime is 61380853. The reversal of 61380844 is 44808316.

61380844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61380841) 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 7 ways as a sum of consecutive naturals, for example, 14484 + ... + 18235.

Almost surely, 2^61380844 is an apocalyptic number.

It is an amenable number.

61380844 is an abundant number, since it is smaller than the sum of its proper divisors (63216916).

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

61380844 is a wasteful number, since it uses less digits than its factorization.

61380844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32797 (or 32795 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 61380844 is about 7834.5927781857. The cubic root of 61380844 is about 394.4672495238.

The spelling of 61380844 in words is "sixty-one million, three hundred eighty thousand, eight hundred forty-four".