64063392 has 48 divisors (see below), whose sum is σ = 169428672. Its totient is φ = 21194240.

The previous prime is 64063369. The next prime is 64063393. The reversal of 64063392 is 29336046.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (64063393) 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, 10717 + ... + 15587.

It is an arithmetic number, because the mean of its divisors is an integer number (3529764).

Almost surely, 2^64063392 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 64063392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84714336).

64063392 is an abundant number, since it is smaller than the sum of its proper divisors (105365280).

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

64063392 is a wasteful number, since it uses less digits than its factorization.

64063392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021 (or 5013 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 64063392 is about 8003.9610193953. The cubic root of 64063392 is about 400.1320230866.

The spelling of 64063392 in words is "sixty-four million, sixty-three thousand, three hundred ninety-two".