61441930 has 16 divisors (see below), whose sum is σ = 120649824. Its totient is φ = 22342480.

The previous prime is 61441921. The next prime is 61441931. The reversal of 61441930 is 3914416.

61441930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61441930² = 7550221524249800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61441931) 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, 279172 + ... + 279391.

It is an arithmetic number, because the mean of its divisors is an integer number (7540614).

Almost surely, 2^61441930 is an apocalyptic number.

61441930 is a deficient number, since it is larger than the sum of its proper divisors (59207894).

61441930 is a wasteful number, since it uses less digits than its factorization.

61441930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558581.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 61441930 is about 7838.4902883145. The cubic root of 61441930 is about 394.5980636112.

The spelling of 61441930 in words is "sixty-one million, four hundred forty-one thousand, nine hundred thirty".