65945982 has 16 divisors (see below), whose sum is σ = 134698752. Its totient is φ = 21514200.

The previous prime is 65945969. The next prime is 65945989. The reversal of 65945982 is 28954956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65945989) 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, 116644 + ... + 117207.

It is an arithmetic number, because the mean of its divisors is an integer number (8418672).

Almost surely, 2^65945982 is an apocalyptic number.

65945982 is an abundant number, since it is smaller than the sum of its proper divisors (68752770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65945982 is a wasteful number, since it uses less digits than its factorization.

65945982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233903.

The product of its digits is 777600, while the sum is 48.

The square root of 65945982 is about 8120.7131460236. The cubic root of 65945982 is about 404.0137195942.

The spelling of 65945982 in words is "sixty-five million, nine hundred forty-five thousand, nine hundred eighty-two".