61706418 has 8 divisors (see below), whose sum is σ = 123412848. Its totient is φ = 20568804.

The previous prime is 61706387. The next prime is 61706467. The reversal of 61706418 is 81460716.

It is a happy number.

61706418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

61706418 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 5142196 + ... + 5142207.

It is an arithmetic number, because the mean of its divisors is an integer number (15426606).

Almost surely, 2^61706418 is an apocalyptic number.

61706418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61706418 is a wasteful number, since it uses less digits than its factorization.

61706418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10284408.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 61706418 is about 7855.3432770312. The cubic root of 61706418 is about 395.1634595601.

The spelling of 61706418 in words is "sixty-one million, seven hundred six thousand, four hundred eighteen".