61873842 has 32 divisors (see below), whose sum is σ = 133790400. Its totient is φ = 19009728.

The previous prime is 61873817. The next prime is 61873859. The reversal of 61873842 is 24837816.

61873842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61873842.

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 15 ways as a sum of consecutive naturals, for example, 3117 + ... + 11552.

It is an arithmetic number, because the mean of its divisors is an integer number (4180950).

Almost surely, 2^61873842 is an apocalyptic number.

61873842 is an abundant number, since it is smaller than the sum of its proper divisors (71916558).

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

61873842 is a wasteful number, since it uses less digits than its factorization.

61873842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14730.

The product of its digits is 64512, while the sum is 39.

The square root of 61873842 is about 7865.9927536199. The cubic root of 61873842 is about 395.5205272336.

The spelling of 61873842 in words is "sixty-one million, eight hundred seventy-three thousand, eight hundred forty-two".