61230018 has 16 divisors (see below), whose sum is σ = 122536800. Its totient is φ = 20397216.

The previous prime is 61230007. The next prime is 61230041. The reversal of 61230018 is 81003216.

61230018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 61229976 and 61230003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16621 + ... + 19967.

It is an arithmetic number, because the mean of its divisors is an integer number (7658550).

Almost surely, 2^61230018 is an apocalyptic number.

61230018 is an abundant number, since it is smaller than the sum of its proper divisors (61306782).

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

61230018 is a wasteful number, since it uses less digits than its factorization.

61230018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 61230018 is about 7824.9612139614. The cubic root of 61230018 is about 394.1438874260.

The spelling of 61230018 in words is "sixty-one million, two hundred thirty thousand, eighteen".