64291604 has 24 divisors (see below), whose sum is σ = 121396128. Its totient is φ = 29616480.

The previous prime is 64291589. The next prime is 64291627. The reversal of 64291604 is 40619246.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40139 + ... + 41709.

It is an arithmetic number, because the mean of its divisors is an integer number (5058172).

Almost surely, 2^64291604 is an apocalyptic number.

It is an amenable number.

64291604 is a deficient number, since it is larger than the sum of its proper divisors (57104524).

64291604 is a wasteful number, since it uses less digits than its factorization.

64291604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64291604 is about 8018.2045371766. The cubic root of 64291604 is about 400.6065879959.

The spelling of 64291604 in words is "sixty-four million, two hundred ninety-one thousand, six hundred four".