64432828 has 12 divisors (see below), whose sum is σ = 114440872. Its totient is φ = 31735440.

The previous prime is 64432813. The next prime is 64432829. The reversal of 64432828 is 82823446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64432829) 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, 119943 + ... + 120478.

Almost surely, 2^64432828 is an apocalyptic number.

It is an amenable number.

64432828 is a deficient number, since it is larger than the sum of its proper divisors (50008044).

64432828 is a wasteful number, since it uses less digits than its factorization.

64432828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240492 (or 240490 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 64432828 is about 8027.0061666851. The cubic root of 64432828 is about 400.8996998333.

The spelling of 64432828 in words is "sixty-four million, four hundred thirty-two thousand, eight hundred twenty-eight".