61039842 has 16 divisors (see below), whose sum is σ = 122255040. Its totient is φ = 20317392.

The previous prime is 61039831. The next prime is 61039931. The reversal of 61039842 is 24893016.

61039842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61039842² = 7451724622769928, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2542 + ... + 11337.

It is an arithmetic number, because the mean of its divisors is an integer number (7640940).

Almost surely, 2^61039842 is an apocalyptic number.

61039842 is an abundant number, since it is smaller than the sum of its proper divisors (61215198).

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

61039842 is a wasteful number, since it uses less digits than its factorization.

61039842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14617.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 61039842 is about 7812.7998822445. The cubic root of 61039842 is about 393.7354034398.

The spelling of 61039842 in words is "sixty-one million, thirty-nine thousand, eight hundred forty-two".