66732352 has 14 divisors (see below), whose sum is σ = 132422138. Its totient is φ = 33366144.

The previous prime is 66732343. The next prime is 66732383. The reversal of 66732352 is 25323766.

It can be written as a sum of positive squares in only one way, i.e., 63107136 + 3625216 = 7944^2 + 1904^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521283 + ... + 521410.

Almost surely, 2^66732352 is an apocalyptic number.

It is an amenable number.

66732352 is a deficient number, since it is larger than the sum of its proper divisors (65689786).

66732352 is a wasteful number, since it uses less digits than its factorization.

66732352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042705 (or 1042695 counting only the distinct ones).

The product of its digits is 45360, while the sum is 34.

The square root of 66732352 is about 8168.9872077265. The cubic root of 66732352 is about 405.6132598139.

It can be divided in two parts, 6673 and 2352, that added together give a square (9025 = 95²).

The spelling of 66732352 in words is "sixty-six million, seven hundred thirty-two thousand, three hundred fifty-two".