61684122 has 16 divisors (see below), whose sum is σ = 124108992. Its totient is φ = 20437920.

The previous prime is 61684111. The next prime is 61684123. The reversal of 61684122 is 22148616.

It is a self number, because there is not a number n which added to its sum of digits gives 61684122.

It is not an unprimeable number, because it can be changed into a prime (61684123) 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, 29779 + ... + 31782.

It is an arithmetic number, because the mean of its divisors is an integer number (7756812).

Almost surely, 2^61684122 is an apocalyptic number.

61684122 is an abundant number, since it is smaller than the sum of its proper divisors (62424870).

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

61684122 is a wasteful number, since it uses less digits than its factorization.

61684122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61733.

The product of its digits is 4608, while the sum is 30.

The square root of 61684122 is about 7853.9239874091. The cubic root of 61684122 is about 395.1158598336.

The spelling of 61684122 in words is "sixty-one million, six hundred eighty-four thousand, one hundred twenty-two".