66394932 has 24 divisors (see below), whose sum is σ = 159919872. Its totient is φ = 21417600.

The previous prime is 66394927. The next prime is 66394969. The reversal of 66394932 is 23949366.

It is a congruent number.

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, 88869 + ... + 89612.

It is an arithmetic number, because the mean of its divisors is an integer number (6663328).

Almost surely, 2^66394932 is an apocalyptic number.

66394932 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66394932 is an abundant number, since it is smaller than the sum of its proper divisors (93524940).

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

66394932 is a wasteful number, since it uses less digits than its factorization.

66394932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178519 (or 178517 counting only the distinct ones).

The product of its digits is 209952, while the sum is 42.

The square root of 66394932 is about 8148.3085361319. The cubic root of 66394932 is about 404.9284677811.

The spelling of 66394932 in words is "sixty-six million, three hundred ninety-four thousand, nine hundred thirty-two".