66352039 has 8 divisors (see below), whose sum is σ = 72020480. Its totient is φ = 60764256.

The previous prime is 66352031. The next prime is 66352061. The reversal of 66352039 is 93025366.

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

It is a cyclic number.

It is not a de Polignac number, because 66352039 - 2³ = 66352031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66351995 and 66352013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66352031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18444 + ... + 21745.

It is an arithmetic number, because the mean of its divisors is an integer number (9002560).

Almost surely, 2^66352039 is an apocalyptic number.

66352039 is a deficient number, since it is larger than the sum of its proper divisors (5668441).

66352039 is a wasteful number, since it uses less digits than its factorization.

66352039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40329.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 66352039 is about 8145.6760922590. The cubic root of 66352039 is about 404.8412505905.

The spelling of 66352039 in words is "sixty-six million, three hundred fifty-two thousand, thirty-nine".