61344686 has 16 divisors (see below), whose sum is σ = 102513600. Its totient is φ = 27336288.

The previous prime is 61344593. The next prime is 61344713. The reversal of 61344686 is 68644316.

61344686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 39926 + ... + 41433.

It is an arithmetic number, because the mean of its divisors is an integer number (6407100).

Almost surely, 2^61344686 is an apocalyptic number.

61344686 is a deficient number, since it is larger than the sum of its proper divisors (41168914).

61344686 is a wasteful number, since it uses less digits than its factorization.

61344686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81403.

The product of its digits is 82944, while the sum is 38.

The square root of 61344686 is about 7832.2848518169. The cubic root of 61344686 is about 394.3897772079.

The spelling of 61344686 in words is "sixty-one million, three hundred forty-four thousand, six hundred eighty-six".