61869112 has 16 divisors (see below), whose sum is σ = 117090360. Its totient is φ = 30645024.

The previous prime is 61869109. The next prime is 61869127. The reversal of 61869112 is 21196816.

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, 35283 + ... + 36994.

Almost surely, 2^61869112 is an apocalyptic number.

It is an amenable number.

61869112 is a deficient number, since it is larger than the sum of its proper divisors (55221248).

61869112 is a wasteful number, since it uses less digits than its factorization.

61869112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72390 (or 72386 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 61869112 is about 7865.6920865236. The cubic root of 61869112 is about 395.5104483392.

The spelling of 61869112 in words is "sixty-one million, eight hundred sixty-nine thousand, one hundred twelve".