66252762 has 32 divisors (see below), whose sum is σ = 152308800. Its totient is φ = 21322224.

The previous prime is 66252731. The next prime is 66252773. The reversal of 66252762 is 26725266.

66252762 is a `hidden beast` number, since 6 + 625 + 27 + 6 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19588 + ... + 22719.

It is an arithmetic number, because the mean of its divisors is an integer number (4759650).

Almost surely, 2^66252762 is an apocalyptic number.

66252762 is an abundant number, since it is smaller than the sum of its proper divisors (86056038).

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

66252762 is a wasteful number, since it uses less digits than its factorization.

66252762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42347 (or 42341 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 66252762 is about 8139.5799645928. The cubic root of 66252762 is about 404.6392397850.

The spelling of 66252762 in words is "sixty-six million, two hundred fifty-two thousand, seven hundred sixty-two".