66732652 has 12 divisors (see below), whose sum is σ = 133465360. Its totient is φ = 28599696.

The previous prime is 66732647. The next prime is 66732691. The reversal of 66732652 is 25623766.

66732652 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191627 + ... + 1191682.

Almost surely, 2^66732652 is an apocalyptic number.

It is an amenable number.

66732652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66732652 is a wasteful number, since it uses less digits than its factorization.

66732652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383320 (or 2383318 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 66732652 is about 8169.0055698353. The cubic root of 66732652 is about 405.6138676340.

The spelling of 66732652 in words is "sixty-six million, seven hundred thirty-two thousand, six hundred fifty-two".