65770382 has 16 divisors (see below), whose sum is σ = 105423120. Its totient is φ = 30665088.

The previous prime is 65770357. The next prime is 65770387. The reversal of 65770382 is 28307756.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65770387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5168 + ... + 12579.

It is an arithmetic number, because the mean of its divisors is an integer number (6588945).

Almost surely, 2^65770382 is an apocalyptic number.

65770382 is a deficient number, since it is larger than the sum of its proper divisors (39652738).

65770382 is a wasteful number, since it uses less digits than its factorization.

65770382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17875.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 65770382 is about 8109.8940806893. The cubic root of 65770382 is about 403.6548002151.

The spelling of 65770382 in words is "sixty-five million, seven hundred seventy thousand, three hundred eighty-two".