61868212 has 12 divisors (see below), whose sum is σ = 123736480. Its totient is φ = 26514936.

The previous prime is 61868207. The next prime is 61868231. The reversal of 61868212 is 21286816.

61868212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104762 + ... + 1104817.

Almost surely, 2^61868212 is an apocalyptic number.

It is an amenable number.

61868212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61868212 is a wasteful number, since it uses less digits than its factorization.

61868212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209590 (or 2209588 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 61868212 is about 7865.6348758381. The cubic root of 61868212 is about 395.5085305209.

The spelling of 61868212 in words is "sixty-one million, eight hundred sixty-eight thousand, two hundred twelve".