64503933 has 48 divisors (see below), whose sum is σ = 101088960. Its totient is φ = 36347904.

The previous prime is 64503931. The next prime is 64503941. The reversal of 64503933 is 33930546.

64503933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64503933 - 2¹ = 64503931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64503894 and 64503903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64503931) 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 47 ways as a sum of consecutive naturals, for example, 664941 + ... + 665037.

It is an arithmetic number, because the mean of its divisors is an integer number (2106020).

Almost surely, 2^64503933 is an apocalyptic number.

It is an amenable number.

64503933 is a deficient number, since it is larger than the sum of its proper divisors (36585027).

64503933 is a wasteful number, since it uses less digits than its factorization.

64503933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 64503933 is about 8031.4340562567. The cubic root of 64503933 is about 401.0471168903.

The spelling of 64503933 in words is "sixty-four million, five hundred three thousand, nine hundred thirty-three".