64433601 has 12 divisors (see below), whose sum is σ = 93235428. Its totient is φ = 42879744.

The previous prime is 64433599. The next prime is 64433609. The reversal of 64433601 is 10633446.

It can be written as a sum of positive squares in 2 ways, for example, as 15992001 + 48441600 = 3999^2 + 6960^2 .

It is not a de Polignac number, because 64433601 - 2¹ = 64433599 is a prime.

64433601 is a Rhonda number in base 14.

It is not an unprimeable number, because it can be changed into a prime (64433609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (7769619).

Almost surely, 2^64433601 is an apocalyptic number.

It is an amenable number.

64433601 is a deficient number, since it is larger than the sum of its proper divisors (28801827).

64433601 is a wasteful number, since it uses less digits than its factorization.

64433601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12672 (or 12669 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 64433601 is about 8027.0543164974. The cubic root of 64433601 is about 400.9013030235.

The spelling of 64433601 in words is "sixty-four million, four hundred thirty-three thousand, six hundred one".