66932694 has 48 divisors (see below), whose sum is σ = 149071104. Its totient is φ = 21697200.

The previous prime is 66932659. The next prime is 66932699. The reversal of 66932694 is 49623966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66932699) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 105759 + ... + 106389.

It is an arithmetic number, because the mean of its divisors is an integer number (3105648).

Almost surely, 2^66932694 is an apocalyptic number.

66932694 is an abundant number, since it is smaller than the sum of its proper divisors (82138410).

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

66932694 is a wasteful number, since it uses less digits than its factorization.

66932694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 790 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 66932694 is about 8181.2403705062. The cubic root of 66932694 is about 406.0187612157.

The spelling of 66932694 in words is "sixty-six million, nine hundred thirty-two thousand, six hundred ninety-four".