61066842 has 16 divisors (see below), whose sum is σ = 123680640. Its totient is φ = 20097792.

The previous prime is 61066799. The next prime is 61066847. The reversal of 61066842 is 24866016.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61066847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63943 + ... + 64890.

It is an arithmetic number, because the mean of its divisors is an integer number (7730040).

Almost surely, 2^61066842 is an apocalyptic number.

61066842 is an abundant number, since it is smaller than the sum of its proper divisors (62613798).

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

61066842 is a wasteful number, since it uses less digits than its factorization.

61066842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128917.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 61066842 is about 7814.5276248792. The cubic root of 61066842 is about 393.7934490728.

The spelling of 61066842 in words is "sixty-one million, sixty-six thousand, eight hundred forty-two".