64713152 has 112 divisors (see below), whose sum is σ = 161300160. Its totient is φ = 25116672.

The previous prime is 64713139. The next prime is 64713161. The reversal of 64713152 is 25131746.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220718 + ... + 221010.

It is an arithmetic number, because the mean of its divisors is an integer number (1440180).

Almost surely, 2^64713152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64713152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80650080).

64713152 is an abundant number, since it is smaller than the sum of its proper divisors (96587008).

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

64713152 is a wasteful number, since it uses less digits than its factorization.

64713152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 348 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 64713152 is about 8044.4485205637. The cubic root of 64713152 is about 401.4802487354.

Adding to 64713152 its reverse (25131746), we get a palindrome (89844898).

The spelling of 64713152 in words is "sixty-four million, seven hundred thirteen thousand, one hundred fifty-two".