64017340 has 24 divisors (see below), whose sum is σ = 134628480. Its totient is φ = 25570368.

The previous prime is 64017329. The next prime is 64017367. The reversal of 64017340 is 4371046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15406 + ... + 19114.

It is an arithmetic number, because the mean of its divisors is an integer number (5609520).

Almost surely, 2^64017340 is an apocalyptic number.

It is an amenable number.

64017340 is an abundant number, since it is smaller than the sum of its proper divisors (70611140).

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

64017340 is a wasteful number, since it uses less digits than its factorization.

64017340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 64017340 is about 8001.0836766028. The cubic root of 64017340 is about 400.0361217380.

Adding to 64017340 its reverse (4371046), we get a palindrome (68388386).

The spelling of 64017340 in words is "sixty-four million, seventeen thousand, three hundred forty".