61423966 has 8 divisors (see below), whose sum is σ = 92198304. Its totient is φ = 30691200.

The previous prime is 61423963. The next prime is 61423969. The reversal of 61423966 is 66932416.

It is a happy number.

61423966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61423963) and next prime (61423969).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61423963) 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 3 ways as a sum of consecutive naturals, for example, 6390 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (11524788).

Almost surely, 2^61423966 is an apocalyptic number.

61423966 is a deficient number, since it is larger than the sum of its proper divisors (30774338).

61423966 is a wasteful number, since it uses less digits than its factorization.

61423966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20786.

The product of its digits is 46656, while the sum is 37.

The square root of 61423966 is about 7837.3443206229. The cubic root of 61423966 is about 394.5596031735.

The spelling of 61423966 in words is "sixty-one million, four hundred twenty-three thousand, nine hundred sixty-six".