64835632 has 40 divisors (see below), whose sum is σ = 131674112. Its totient is φ = 30888000.

The previous prime is 64835629. The next prime is 64835647. The reversal of 64835632 is 23653846.

It is a junction number, because it is equal to n+sod(n) for n = 64835591 and 64835600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32257 + ... + 34207.

Almost surely, 2^64835632 is an apocalyptic number.

64835632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64835632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65837056).

64835632 is an abundant number, since it is smaller than the sum of its proper divisors (66838480).

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

64835632 is a wasteful number, since it uses less digits than its factorization.

64835632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2051 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 64835632 is about 8052.0576252285. The cubic root of 64835632 is about 401.7333776546.

The spelling of 64835632 in words is "sixty-four million, eight hundred thirty-five thousand, six hundred thirty-two".