64376532 has 108 divisors (see below), whose sum is σ = 185168256. Its totient is φ = 19420560.

The previous prime is 64376531. The next prime is 64376537. The reversal of 64376532 is 23567346.

64376532 is a `hidden beast` number, since 643 + 7 + 6 + 5 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64376531) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 288573 + ... + 288795.

Almost surely, 2^64376532 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 64376532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92584128).

64376532 is an abundant number, since it is smaller than the sum of its proper divisors (120791724).

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

64376532 is a wasteful number, since it uses less digits than its factorization.

64376532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 239 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 64376532 is about 8023.4987380818. The cubic root of 64376532 is about 400.7829083034.

The spelling of 64376532 in words is "sixty-four million, three hundred seventy-six thousand, five hundred thirty-two".