61107230 has 16 divisors (see below), whose sum is σ = 115782480. Its totient is φ = 23156352.

The previous prime is 61107227. The next prime is 61107259. The reversal of 61107230 is 3270116.

61107230 = 400² + 401² + ... + 627².

It is a happy number.

61107230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 160619 + ... + 160998.

It is an arithmetic number, because the mean of its divisors is an integer number (7236405).

Almost surely, 2^61107230 is an apocalyptic number.

61107230 is a deficient number, since it is larger than the sum of its proper divisors (54675250).

61107230 is a wasteful number, since it uses less digits than its factorization.

61107230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321643.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 61107230 is about 7817.1113590635. Note that the first 3 decimals coincide. The cubic root of 61107230 is about 393.8802448107.

Adding to 61107230 its reverse (3270116), we get a palindrome (64377346).

It can be divided in two parts, 6110 and 7230, that multiplied together give a triangular number (44175300 = T₉₃₉₉).

The spelling of 61107230 in words is "sixty-one million, one hundred seven thousand, two hundred thirty".