66379762 has 4 divisors (see below), whose sum is σ = 99569646. Its totient is φ = 33189880.

The previous prime is 66379723. The next prime is 66379777. The reversal of 66379762 is 26797366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59923081 + 6456681 = 7741^2 + 2541^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16594939 + ... + 16594942.

Almost surely, 2^66379762 is an apocalyptic number.

66379762 is a deficient number, since it is larger than the sum of its proper divisors (33189884).

66379762 is a wasteful number, since it uses less digits than its factorization.

66379762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33189883.

The product of its digits is 571536, while the sum is 46.

The square root of 66379762 is about 8147.3776149139. The cubic root of 66379762 is about 404.8976259052.

The spelling of 66379762 in words is "sixty-six million, three hundred seventy-nine thousand, seven hundred sixty-two".