66470357 has 8 divisors (see below), whose sum is σ = 70652736. Its totient is φ = 62318272.

The previous prime is 66470353. The next prime is 66470359. The reversal of 66470357 is 75307466.

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 66470357 - 2² = 66470353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66470357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66470353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2963 + ... + 11904.

It is an arithmetic number, because the mean of its divisors is an integer number (8831592).

Almost surely, 2^66470357 is an apocalyptic number.

It is an amenable number.

66470357 is a deficient number, since it is larger than the sum of its proper divisors (4182379).

66470357 is a wasteful number, since it uses less digits than its factorization.

66470357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15147.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 66470357 is about 8152.9354836157. The cubic root of 66470357 is about 405.0817433945.

The spelling of 66470357 in words is "sixty-six million, four hundred seventy thousand, three hundred fifty-seven".