64527632 has 20 divisors (see below), whose sum is σ = 134639820. Its totient is φ = 29781888.

The previous prime is 64527623. The next prime is 64527637. The reversal of 64527632 is 23672546.

It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 60902416 = 1904^2 + 7804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64527592 and 64527601.

It is not an unprimeable number, because it can be changed into a prime (64527637) 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, 154907 + ... + 155322.

It is an arithmetic number, because the mean of its divisors is an integer number (6731991).

Almost surely, 2^64527632 is an apocalyptic number.

It is an amenable number.

64527632 is an abundant number, since it is smaller than the sum of its proper divisors (70112188).

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

64527632 is a wasteful number, since it uses less digits than its factorization.

64527632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310250 (or 310244 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 64527632 is about 8032.9093110778. The cubic root of 64527632 is about 401.0962263086.

The spelling of 64527632 in words is "sixty-four million, five hundred twenty-seven thousand, six hundred thirty-two".