64676532 has 24 divisors (see below), whose sum is σ = 158855200. Its totient is φ = 20424096.

The previous prime is 64676519. The next prime is 64676533. The reversal of 64676532 is 23567646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64676533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141607 + ... + 142062.

Almost surely, 2^64676532 is an apocalyptic number.

It is an amenable number.

64676532 is an abundant number, since it is smaller than the sum of its proper divisors (94178668).

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

64676532 is a wasteful number, since it uses less digits than its factorization.

64676532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283695 (or 283693 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 64676532 is about 8042.1720946520. The cubic root of 64676532 is about 401.4045043137.

The spelling of 64676532 in words is "sixty-four million, six hundred seventy-six thousand, five hundred thirty-two".