66070983 has 8 divisors (see below), whose sum is σ = 96103296. Its totient is φ = 40043000.

The previous prime is 66070883. The next prime is 66070997. The reversal of 66070983 is 38907066.

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 66070983 - 2¹² = 66066887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66070883) 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, 1001043 + ... + 1001108.

It is an arithmetic number, because the mean of its divisors is an integer number (12012912).

Almost surely, 2^66070983 is an apocalyptic number.

66070983 is a deficient number, since it is larger than the sum of its proper divisors (30032313).

66070983 is a wasteful number, since it uses less digits than its factorization.

66070983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002165.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 66070983 is about 8128.4059322846. The cubic root of 66070983 is about 404.2688286090.

The spelling of 66070983 in words is "sixty-six million, seventy thousand, nine hundred eighty-three".