66346370 has 8 divisors (see below), whose sum is σ = 119423484. Its totient is φ = 26538544.

The previous prime is 66346367. The next prime is 66346373. The reversal of 66346370 is 7364366.

It is an interprime number because it is at equal distance from previous prime (66346367) and next prime (66346373).

It can be written as a sum of positive squares in 2 ways, for example, as 63984001 + 2362369 = 7999^2 + 1537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66346370.

It is not an unprimeable number, because it can be changed into a prime (66346373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3317309 + ... + 3317328.

Almost surely, 2^66346370 is an apocalyptic number.

66346370 is a deficient number, since it is larger than the sum of its proper divisors (53077114).

66346370 is a wasteful number, since it uses less digits than its factorization.

66346370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634644.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 66346370 is about 8145.3281087995. The cubic root of 66346370 is about 404.8297206238.

The spelling of 66346370 in words is "sixty-six million, three hundred forty-six thousand, three hundred seventy".