65745894 has 24 divisors (see below), whose sum is σ = 133538328. Its totient is φ = 21579360.

The previous prime is 65745893. The next prime is 65745907. The reversal of 65745894 is 49854756.

It is a super-3 number, since 3×65745894³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65745893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25714 + ... + 28154.

It is an arithmetic number, because the mean of its divisors is an integer number (5564097).

Almost surely, 2^65745894 is an apocalyptic number.

65745894 is an abundant number, since it is smaller than the sum of its proper divisors (67792434).

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

65745894 is a wasteful number, since it uses less digits than its factorization.

65745894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580 (or 2513 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 65745894 is about 8108.3841793541. The cubic root of 65745894 is about 403.6046969848.

The spelling of 65745894 in words is "sixty-five million, seven hundred forty-five thousand, eight hundred ninety-four".