61782112 has 24 divisors (see below), whose sum is σ = 139010256. Its totient is φ = 26477952.

The previous prime is 61782043. The next prime is 61782157. The reversal of 61782112 is 21128716.

61782112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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, 137683 + ... + 138130.

It is an arithmetic number, because the mean of its divisors is an integer number (5792094).

Almost surely, 2^61782112 is an apocalyptic number.

It is an amenable number.

61782112 is an abundant number, since it is smaller than the sum of its proper divisors (77228144).

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

61782112 is a wasteful number, since it uses less digits than its factorization.

61782112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275830 (or 275822 counting only the distinct ones).

The product of its digits is 1344, while the sum is 28.

The square root of 61782112 is about 7860.1597948133. The cubic root of 61782112 is about 395.3249731789.

The spelling of 61782112 in words is "sixty-one million, seven hundred eighty-two thousand, one hundred twelve".