66752892 has 18 divisors (see below), whose sum is σ = 168736568. Its totient is φ = 22250952.

The previous prime is 66752887. The next prime is 66752893. The reversal of 66752892 is 29825766.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66752893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 927088 + ... + 927159.

Almost surely, 2^66752892 is an apocalyptic number.

It is an amenable number.

66752892 is an abundant number, since it is smaller than the sum of its proper divisors (101983676).

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

66752892 is a wasteful number, since it uses less digits than its factorization.

66752892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854257 (or 1854252 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 66752892 is about 8170.2443047928. The cubic root of 66752892 is about 405.6548710238.

The spelling of 66752892 in words is "sixty-six million, seven hundred fifty-two thousand, eight hundred ninety-two".