65985374 has 36 divisors (see below), whose sum is σ = 123226344. Its totient is φ = 25947792.

The previous prime is 65985301. The next prime is 65985379. The reversal of 65985374 is 47358956.

Its product of digits (907200) is a multiple of the sum of its prime divisors (189).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65985379) 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 17 ways as a sum of consecutive naturals, for example, 395039 + ... + 395205.

It is an arithmetic number, because the mean of its divisors is an integer number (3422954).

Almost surely, 2^65985374 is an apocalyptic number.

65985374 is a deficient number, since it is larger than the sum of its proper divisors (57240970).

65985374 is a wasteful number, since it uses less digits than its factorization.

65985374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 189 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 65985374 is about 8123.1381866862. The cubic root of 65985374 is about 404.0941477474.

The spelling of 65985374 in words is "sixty-five million, nine hundred eighty-five thousand, three hundred seventy-four".