61706627 has 4 divisors (see below), whose sum is σ = 61727016. Its totient is φ = 61686240.

The previous prime is 61706621. The next prime is 61706653. The reversal of 61706627 is 72660716.

61706627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61706627 - 2⁴ = 61706611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61706621) 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, 4649 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (15431754).

Almost surely, 2^61706627 is an apocalyptic number.

61706627 is a deficient number, since it is larger than the sum of its proper divisors (20389).

61706627 is a wasteful number, since it uses less digits than its factorization.

61706627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20388.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 61706627 is about 7855.3565800669. The cubic root of 61706627 is about 395.1639056999.

The spelling of 61706627 in words is "sixty-one million, seven hundred six thousand, six hundred twenty-seven".