64001436 has 24 divisors (see below), whose sum is σ = 151384464. Its totient is φ = 21041280.

The previous prime is 64001429. The next prime is 64001449. The reversal of 64001436 is 63410046.

64001436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35655 + ... + 37406.

It is an arithmetic number, because the mean of its divisors is an integer number (6307686).

Almost surely, 2^64001436 is an apocalyptic number.

It is an amenable number.

64001436 is an abundant number, since it is smaller than the sum of its proper divisors (87383028).

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

64001436 is a wasteful number, since it uses less digits than its factorization.

64001436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73141 (or 73139 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 64001436 is about 8000.0897494966. The cubic root of 64001436 is about 400.0029916443.

The spelling of 64001436 in words is "sixty-four million, one thousand, four hundred thirty-six".