61444707 has 16 divisors (see below), whose sum is σ = 88439040. Its totient is φ = 37829792.

The previous prime is 61444703. The next prime is 61444709. The reversal of 61444707 is 70744416.

61444707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61444707 - 2² = 61444703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61444703) 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 15 ways as a sum of consecutive naturals, for example, 13353 + ... + 17354.

It is an arithmetic number, because the mean of its divisors is an integer number (5527440).

Almost surely, 2^61444707 is an apocalyptic number.

61444707 is a deficient number, since it is larger than the sum of its proper divisors (26994333).

61444707 is a wasteful number, since it uses less digits than its factorization.

61444707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30762.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 61444707 is about 7838.6674250156. The cubic root of 61444707 is about 394.6040084240.

The spelling of 61444707 in words is "sixty-one million, four hundred forty-four thousand, seven hundred seven".