61442673 has 8 divisors (see below), whose sum is σ = 82191648. Its totient is φ = 40827744.

The previous prime is 61442671. The next prime is 61442707. The reversal of 61442673 is 37624416.

It is a happy number.

61442673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61442673 - 2¹ = 61442671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61442671) 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, 32436 + ... + 34277.

It is an arithmetic number, because the mean of its divisors is an integer number (10273956).

Almost surely, 2^61442673 is an apocalyptic number.

It is an amenable number.

61442673 is a deficient number, since it is larger than the sum of its proper divisors (20748975).

61442673 is a wasteful number, since it uses less digits than its factorization.

61442673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67023.

The product of its digits is 24192, while the sum is 33.

The square root of 61442673 is about 7838.5376825018. The cubic root of 61442673 is about 394.5996541926.

The spelling of 61442673 in words is "sixty-one million, four hundred forty-two thousand, six hundred seventy-three".