61006444 has 12 divisors (see below), whose sum is σ = 106840384. Its totient is φ = 30480624.

The previous prime is 61006433. The next prime is 61006447. The reversal of 61006444 is 44460016.

61006444 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 (61006447) 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, 1402 + ... + 11134.

Almost surely, 2^61006444 is an apocalyptic number.

It is an amenable number.

61006444 is a deficient number, since it is larger than the sum of its proper divisors (45833940).

61006444 is a wasteful number, since it uses less digits than its factorization.

61006444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304 (or 11302 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 61006444 is about 7810.6621998394. The cubic root of 61006444 is about 393.6635794548.

It can be divided in two parts, 6100 and 6444, that added together give a square (12544 = 112²).

The spelling of 61006444 in words is "sixty-one million, six thousand, four hundred forty-four".