64067408 has 10 divisors (see below), whose sum is σ = 124130634. Its totient is φ = 32033696.

The previous prime is 64067401. The next prime is 64067417. The reversal of 64067408 is 80476046.

64067408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55234624 + 8832784 = 7432^2 + 2972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64067401) 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 as a sum of consecutive naturals, namely, 2002091 + ... + 2002122.

Almost surely, 2^64067408 is an apocalyptic number.

It is an amenable number.

64067408 is a deficient number, since it is larger than the sum of its proper divisors (60063226).

64067408 is a wasteful number, since it uses less digits than its factorization.

64067408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004221 (or 4004215 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 64067408 is about 8004.2118912483. The cubic root of 64067408 is about 400.1403840584.

The spelling of 64067408 in words is "sixty-four million, sixty-seven thousand, four hundred eight".