61968204 has 18 divisors (see below), whose sum is σ = 156641940. Its totient is φ = 20656056.

The previous prime is 61968197. The next prime is 61968209. The reversal of 61968204 is 40286916.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1721339 = 61968204 / (6 + 1 + 9 + 6 + 8 + 2 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (61968209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 860634 + ... + 860705.

It is an arithmetic number, because the mean of its divisors is an integer number (8702330).

Almost surely, 2^61968204 is an apocalyptic number.

It is an amenable number.

61968204 is an abundant number, since it is smaller than the sum of its proper divisors (94673736).

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

61968204 is a wasteful number, since it uses less digits than its factorization.

61968204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721349 (or 1721344 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 61968204 is about 7871.9885670649. The cubic root of 61968204 is about 395.7214907312.

It can be divided in two parts, 6196 and 8204, that added together give a square (14400 = 120²).

The spelling of 61968204 in words is "sixty-one million, nine hundred sixty-eight thousand, two hundred four".