64575104 has 32 divisors (see below), whose sum is σ = 140343840. Its totient is φ = 29351680.

The previous prime is 64575103. The next prime is 64575109. The reversal of 64575104 is 40157546.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×64575104² = 8339888113221632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (64575103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21524 + ... + 24339.

It is an arithmetic number, because the mean of its divisors is an integer number (4385745).

Almost surely, 2^64575104 is an apocalyptic number.

64575104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64575104 is an abundant number, since it is smaller than the sum of its proper divisors (75768736).

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

64575104 is a wasteful number, since it uses less digits than its factorization.

64575104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45888 (or 45876 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 64575104 is about 8035.8636125808. The cubic root of 64575104 is about 401.1945623341.

The spelling of 64575104 in words is "sixty-four million, five hundred seventy-five thousand, one hundred four".