66882741 has 16 divisors (see below), whose sum is σ = 90494976. Its totient is φ = 43934256.

The previous prime is 66882737. The next prime is 66882749. The reversal of 66882741 is 14728866.

It is not a de Polignac number, because 66882741 - 2² = 66882737 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66882693 and 66882702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66882749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80856 + ... + 81678.

It is an arithmetic number, because the mean of its divisors is an integer number (5655936).

Almost surely, 2^66882741 is an apocalyptic number.

It is an amenable number.

66882741 is a deficient number, since it is larger than the sum of its proper divisors (23612235).

66882741 is a wasteful number, since it uses less digits than its factorization.

66882741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its digits is 129024, while the sum is 42.

The square root of 66882741 is about 8178.1869017527. The cubic root of 66882741 is about 405.9177298581.

The spelling of 66882741 in words is "sixty-six million, eight hundred eighty-two thousand, seven hundred forty-one".