66883741 has 4 divisors (see below), whose sum is σ = 66996000. Its totient is φ = 66771484.

The previous prime is 66883723. The next prime is 66883777. The reversal of 66883741 is 14738866.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66883741 - 2¹⁷ = 66752669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66883711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55231 + ... + 56428.

It is an arithmetic number, because the mean of its divisors is an integer number (16749000).

Almost surely, 2^66883741 is an apocalyptic number.

It is an amenable number.

66883741 is a deficient number, since it is larger than the sum of its proper divisors (112259).

66883741 is a wasteful number, since it uses less digits than its factorization.

66883741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112258.

The product of its digits is 193536, while the sum is 43.

The square root of 66883741 is about 8178.2480397699. The cubic root of 66883741 is about 405.9197528798.

The spelling of 66883741 in words is "sixty-six million, eight hundred eighty-three thousand, seven hundred forty-one".