61912230 has 16 divisors (see below), whose sum is σ = 148589424. Its totient is φ = 16509920.

The previous prime is 61912229. The next prime is 61912237. The reversal of 61912230 is 3221916.

61912230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61912230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61912237) by changing a digit.

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, 1031841 + ... + 1031900.

It is an arithmetic number, because the mean of its divisors is an integer number (9286839).

Almost surely, 2^61912230 is an apocalyptic number.

61912230 is an abundant number, since it is smaller than the sum of its proper divisors (86677194).

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

61912230 is a wasteful number, since it uses less digits than its factorization.

61912230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063751.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 61912230 is about 7868.4324995516. The cubic root of 61912230 is about 395.6023070972.

The spelling of 61912230 in words is "sixty-one million, nine hundred twelve thousand, two hundred thirty".