66733882 has 8 divisors (see below), whose sum is σ = 100321236. Its totient is φ = 33293472.

The previous prime is 66733861. The next prime is 66733967. The reversal of 66733882 is 28833766.

It can be written as a sum of positive squares in 2 ways, for example, as 58201641 + 8532241 = 7629^2 + 2921^2 .

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

It is a super-2 number, since 2×66733882² = 8906822013579848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35593 + ... + 37420.

Almost surely, 2^66733882 is an apocalyptic number.

66733882 is a deficient number, since it is larger than the sum of its proper divisors (33587354).

66733882 is a wasteful number, since it uses less digits than its factorization.

66733882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73472.

The product of its digits is 290304, while the sum is 43.

The square root of 66733882 is about 8169.0808540496. The cubic root of 66733882 is about 405.6163596774.

The spelling of 66733882 in words is "sixty-six million, seven hundred thirty-three thousand, eight hundred eighty-two".