61883568 has 40 divisors (see below), whose sum is σ = 177630000. Its totient is φ = 20627712.

The previous prime is 61883567. The next prime is 61883597. The reversal of 61883568 is 86538816.

61883568 is a `hidden beast` number, since 6 + 1 + 8 + 83 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (61883561) 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, 71193 + ... + 72056.

It is an arithmetic number, because the mean of its divisors is an integer number (4440750).

Almost surely, 2^61883568 is an apocalyptic number.

It is an amenable number.

61883568 is an abundant number, since it is smaller than the sum of its proper divisors (115746432).

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

61883568 is a wasteful number, since it uses less digits than its factorization.

61883568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143266 (or 143254 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 61883568 is about 7866.6109602547. The cubic root of 61883568 is about 395.5412502132.

The spelling of 61883568 in words is "sixty-one million, eight hundred eighty-three thousand, five hundred sixty-eight".