64069152 has 96 divisors (see below), whose sum is σ = 195213312. Its totient is φ = 18019584.

The previous prime is 64069133. The next prime is 64069153. The reversal of 64069152 is 25196046.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (64069153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44313 + ... + 45735.

It is an arithmetic number, because the mean of its divisors is an integer number (2033472).

Almost surely, 2^64069152 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 64069152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97606656).

64069152 is an abundant number, since it is smaller than the sum of its proper divisors (131144160).

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

64069152 is a wasteful number, since it uses less digits than its factorization.

64069152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 64069152 is about 8004.3208331501. The cubic root of 64069152 is about 400.1440148098.

The spelling of 64069152 in words is "sixty-four million, sixty-nine thousand, one hundred fifty-two".