66087532 has 24 divisors (see below), whose sum is σ = 133489440. Its totient is φ = 28041600.

The previous prime is 66087509. The next prime is 66087559. The reversal of 66087532 is 23578066.

It is a junction number, because it is equal to n+sod(n) for n = 66087491 and 66087500.

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, 8857 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (5562060).

Almost surely, 2^66087532 is an apocalyptic number.

It is an amenable number.

66087532 is an abundant number, since it is smaller than the sum of its proper divisors (67401908).

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

66087532 is a wasteful number, since it uses less digits than its factorization.

66087532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23481 (or 23479 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 66087532 is about 8129.4238418230. The cubic root of 66087532 is about 404.3025786056.

The spelling of 66087532 in words is "sixty-six million, eighty-seven thousand, five hundred thirty-two".