61803568 has 20 divisors (see below), whose sum is σ = 126788760. Its totient is φ = 29083904.

The previous prime is 61803487. The next prime is 61803571. The reversal of 61803568 is 86530816.

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, 113338 + ... + 113881.

It is an arithmetic number, because the mean of its divisors is an integer number (6339438).

Almost surely, 2^61803568 is an apocalyptic number.

61803568 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61803568 is an abundant number, since it is smaller than the sum of its proper divisors (64985192).

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

61803568 is a wasteful number, since it uses less digits than its factorization.

61803568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227244 (or 227238 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 61803568 is about 7861.5245340837. The cubic root of 61803568 is about 395.3707313584.

The spelling of 61803568 in words is "sixty-one million, eight hundred three thousand, five hundred sixty-eight".