66700352 has 14 divisors (see below), whose sum is σ = 132358638. Its totient is φ = 33350144.

The previous prime is 66700349. The next prime is 66700363. The reversal of 66700352 is 25300766.

It can be written as a sum of positive squares in only one way, i.e., 62473216 + 4227136 = 7904^2 + 2056^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521033 + ... + 521160.

Almost surely, 2^66700352 is an apocalyptic number.

It is an amenable number.

66700352 is a deficient number, since it is larger than the sum of its proper divisors (65658286).

66700352 is a wasteful number, since it uses less digits than its factorization.

66700352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042205 (or 1042195 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 66700352 is about 8167.0283457326. The cubic root of 66700352 is about 405.5484152062.

The spelling of 66700352 in words is "sixty-six million, seven hundred thousand, three hundred fifty-two".