66709341 has 12 divisors (see below), whose sum is σ = 97519968. Its totient is φ = 43936584.

The previous prime is 66709339. The next prime is 66709381. The reversal of 66709341 is 14390766.

It is not a de Polignac number, because 66709341 - 2¹ = 66709339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66709296 and 66709305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66709301) 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, 43905 + ... + 45398.

It is an arithmetic number, because the mean of its divisors is an integer number (8126664).

Almost surely, 2^66709341 is an apocalyptic number.

It is an amenable number.

66709341 is a deficient number, since it is larger than the sum of its proper divisors (30810627).

66709341 is a wasteful number, since it uses less digits than its factorization.

66709341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89392 (or 89389 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 66709341 is about 8167.5786497591. The cubic root of 66709341 is about 405.5666325561.

The spelling of 66709341 in words is "sixty-six million, seven hundred nine thousand, three hundred forty-one".