64736352 has 144 divisors (see below), whose sum is σ = 199311840. Its totient is φ = 19869696.

The previous prime is 64736341. The next prime is 64736387. The reversal of 64736352 is 25363746.

64736352 is a `hidden beast` number, since 647 + 3 + 6 + 3 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

Its product of digits (90720) is a multiple of the sum of its prime factors (405).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191928 + ... + 192264.

It is an arithmetic number, because the mean of its divisors is an integer number (1384110).

Almost surely, 2^64736352 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 64736352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99655920).

64736352 is an abundant number, since it is smaller than the sum of its proper divisors (134575488).

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

64736352 is a wasteful number, since it uses less digits than its factorization.

64736352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 394 counting only the distinct ones).

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

The square root of 64736352 is about 8045.8903795665. The cubic root of 64736352 is about 401.5282205857.

The spelling of 64736352 in words is "sixty-four million, seven hundred thirty-six thousand, three hundred fifty-two".