64929996 has 72 divisors (see below), whose sum is σ = 171959424. Its totient is φ = 20632320.

The previous prime is 64929961. The next prime is 64930001. The reversal of 64929996 is 69992946.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81070 + ... + 81866.

Almost surely, 2^64929996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64929996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85979712).

64929996 is an abundant number, since it is smaller than the sum of its proper divisors (107029428).

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

64929996 is a wasteful number, since it uses less digits than its factorization.

64929996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 906 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 64929996 is about 8057.9151149662. The cubic root of 64929996 is about 401.9281820170.

The spelling of 64929996 in words is "sixty-four million, nine hundred twenty-nine thousand, nine hundred ninety-six".