66712353 has 8 divisors (see below), whose sum is σ = 89949600. Its totient is φ = 43975008.

The previous prime is 66712343. The next prime is 66712357. The reversal of 66712353 is 35321766.

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

It is not a de Polignac number, because 66712353 - 2⁴ = 66712337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66712357) 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, 124663 + ... + 125196.

It is an arithmetic number, because the mean of its divisors is an integer number (11243700).

Almost surely, 2^66712353 is an apocalyptic number.

It is an amenable number.

66712353 is a deficient number, since it is larger than the sum of its proper divisors (23237247).

66712353 is a wasteful number, since it uses less digits than its factorization.

66712353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249951.

The product of its digits is 22680, while the sum is 33.

The square root of 66712353 is about 8167.7630352502. The cubic root of 66712353 is about 405.5727363905.

The spelling of 66712353 in words is "sixty-six million, seven hundred twelve thousand, three hundred fifty-three".