66714741 has 12 divisors (see below), whose sum is σ = 96452460. Its totient is φ = 44436480.

The previous prime is 66714733. The next prime is 66714793. The reversal of 66714741 is 14741766.

It can be written as a sum of positive squares in 2 ways, for example, as 19847025 + 46867716 = 4455^2 + 6846^2 .

It is not a de Polignac number, because 66714741 - 2³ = 66714733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66714696 and 66714705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66714701) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 10051 + ... + 15311.

It is an arithmetic number, because the mean of its divisors is an integer number (8037705).

Almost surely, 2^66714741 is an apocalyptic number.

It is an amenable number.

66714741 is a deficient number, since it is larger than the sum of its proper divisors (29737719).

66714741 is a wasteful number, since it uses less digits than its factorization.

66714741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676 (or 6673 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 66714741 is about 8167.9092183985. The cubic root of 66714741 is about 405.5775755549.

The spelling of 66714741 in words is "sixty-six million, seven hundred fourteen thousand, seven hundred forty-one".