61183742 has 8 divisors (see below), whose sum is σ = 91869600. Its totient is φ = 30560544.

The previous prime is 61183729. The next prime is 61183747. The reversal of 61183742 is 24738116.

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

It is a junction number, because it is equal to n+sod(n) for n = 61183699 and 61183708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61183747) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13142 + ... + 17177.

It is an arithmetic number, because the mean of its divisors is an integer number (11483700).

Almost surely, 2^61183742 is an apocalyptic number.

61183742 is a deficient number, since it is larger than the sum of its proper divisors (30685858).

61183742 is a wasteful number, since it uses less digits than its factorization.

61183742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330.

The product of its digits is 8064, while the sum is 32.

The square root of 61183742 is about 7822.0037074908. The cubic root of 61183742 is about 394.0445679527.

The spelling of 61183742 in words is "sixty-one million, one hundred eighty-three thousand, seven hundred forty-two".