61188942 has 8 divisors (see below), whose sum is σ = 122377896. Its totient is φ = 20396312.

The previous prime is 61188937. The next prime is 61188961. The reversal of 61188942 is 24988116.

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

61188942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 61188942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5099073 + ... + 5099084.

It is an arithmetic number, because the mean of its divisors is an integer number (15297237).

Almost surely, 2^61188942 is an apocalyptic number.

61188942 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.

61188942 is a wasteful number, since it uses less digits than its factorization.

61188942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10198162.

The product of its digits is 27648, while the sum is 39.

The square root of 61188942 is about 7822.3360960777. The cubic root of 61188942 is about 394.0557309057.

The spelling of 61188942 in words is "sixty-one million, one hundred eighty-eight thousand, nine hundred forty-two".