64414564 has 24 divisors (see below), whose sum is σ = 119605248. Its totient is φ = 30249600.

The previous prime is 64414561. The next prime is 64414573. The reversal of 64414564 is 46541446.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (64414561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55389 + ... + 56539.

It is an arithmetic number, because the mean of its divisors is an integer number (4983552).

Almost surely, 2^64414564 is an apocalyptic number.

It is an amenable number.

64414564 is a deficient number, since it is larger than the sum of its proper divisors (55190684).

64414564 is a wasteful number, since it uses less digits than its factorization.

64414564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1993 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 64414564 is about 8025.8684265318. The cubic root of 64414564 is about 400.8618168458.

The spelling of 64414564 in words is "sixty-four million, four hundred fourteen thousand, five hundred sixty-four".