64405654 has 8 divisors (see below), whose sum is σ = 97511688. Its totient is φ = 31901760.

The previous prime is 64405643. The next prime is 64405661. The reversal of 64405654 is 45650446.

64405654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 150267 + ... + 150694.

It is an arithmetic number, because the mean of its divisors is an integer number (12188961).

Almost surely, 2^64405654 is an apocalyptic number.

64405654 is a deficient number, since it is larger than the sum of its proper divisors (33106034).

64405654 is a wasteful number, since it uses less digits than its factorization.

64405654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301070.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 64405654 is about 8025.3133272166. The cubic root of 64405654 is about 400.8433332231.

The spelling of 64405654 in words is "sixty-four million, four hundred five thousand, six hundred fifty-four".