64071113 has 8 divisors (see below), whose sum is σ = 68442408. Its totient is φ = 59766784.

The previous prime is 64071071. The next prime is 64071187. The reversal of 64071113 is 31117046.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 64048009 = 152^2 + 8003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64071113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64071193) 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, 14756 + ... + 18597.

It is an arithmetic number, because the mean of its divisors is an integer number (8555301).

Almost surely, 2^64071113 is an apocalyptic number.

It is an amenable number.

64071113 is a deficient number, since it is larger than the sum of its proper divisors (4371295).

64071113 is a wasteful number, since it uses less digits than its factorization.

64071113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33483.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 64071113 is about 8004.4433285520. The cubic root of 64071113 is about 400.1480972446.

Adding to 64071113 its reverse (31117046), we get a palindrome (95188159).

The spelling of 64071113 in words is "sixty-four million, seventy-one thousand, one hundred thirteen".