61000782 has 8 divisors (see below), whose sum is σ = 122001576. Its totient is φ = 20333592.

The previous prime is 61000769. The next prime is 61000787. The reversal of 61000782 is 28700016.

61000782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

61000782 is an admirable number.

It is a super-2 number, since 2×61000782² = 7442190809223048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61000787) 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, 5083393 + ... + 5083404.

It is an arithmetic number, because the mean of its divisors is an integer number (15250197).

Almost surely, 2^61000782 is an apocalyptic number.

61000782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61000782 is a wasteful number, since it uses less digits than its factorization.

61000782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166802.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 61000782 is about 7810.2997381663. The cubic root of 61000782 is about 393.6514004565.

Adding to 61000782 its reverse (28700016), we get a palindrome (89700798).

The spelling of 61000782 in words is "sixty-one million, seven hundred eighty-two", and thus it is an aban number.