61364742 has 8 divisors (see below), whose sum is σ = 122729496. Its totient is φ = 20454912.

The previous prime is 61364707. The next prime is 61364753. The reversal of 61364742 is 24746316.

It is a happy number.

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

61364742 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5113723 + ... + 5113734.

It is an arithmetic number, because the mean of its divisors is an integer number (15341187).

Almost surely, 2^61364742 is an apocalyptic number.

61364742 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.

61364742 is a wasteful number, since it uses less digits than its factorization.

61364742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227462.

The product of its digits is 24192, while the sum is 33.

The square root of 61364742 is about 7833.5650887702. The cubic root of 61364742 is about 394.4327530548.

It can be divided in two parts, 6136 and 4742, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 61364742 in words is "sixty-one million, three hundred sixty-four thousand, seven hundred forty-two".