61043705 has 8 divisors (see below), whose sum is σ = 73576512. Its totient is φ = 48618928.

The previous prime is 61043699. The next prime is 61043779. The reversal of 61043705 is 50734016.

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

It is a cyclic number.

It is not a de Polignac number, because 61043705 - 2²⁰ = 59995129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25757 + ... + 28026.

It is an arithmetic number, because the mean of its divisors is an integer number (9197064).

Almost surely, 2^61043705 is an apocalyptic number.

It is an amenable number.

61043705 is a deficient number, since it is larger than the sum of its proper divisors (12532807).

61043705 is a wasteful number, since it uses less digits than its factorization.

61043705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54015.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 61043705 is about 7813.0471008436. The cubic root of 61043705 is about 393.7437093141.

The spelling of 61043705 in words is "sixty-one million, forty-three thousand, seven hundred five".