64363572 has 240 divisors, whose sum is σ = 216289920. Its totient is φ = 16236288.

The previous prime is 64363531. The next prime is 64363577. The reversal of 64363572 is 27536346.

64363572 is a `hidden beast` number, since 643 + 6 + 3 + 5 + 7 + 2 = 666.

64363572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (64363577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1090879 + ... + 1090937.

It is an arithmetic number, because the mean of its divisors is an integer number (901208).

Almost surely, 2^64363572 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 64363572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108144960).

64363572 is an abundant number, since it is smaller than the sum of its proper divisors (151926348).

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

64363572 is a wasteful number, since it uses less digits than its factorization.

64363572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 121 counting only the distinct ones).

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

The square root of 64363572 is about 8022.6910697097. The cubic root of 64363572 is about 400.7560118815.

The spelling of 64363572 in words is "sixty-four million, three hundred sixty-three thousand, five hundred seventy-two".