3661730 has 8 divisors (see below), whose sum is σ = 6591132. Its totient is φ = 1464688.

The previous prime is 3661703. The next prime is 3661733. The reversal of 3661730 is 371663.

It can be written as a sum of positive squares in 2 ways, for example, as 3575881 + 85849 = 1891^2 + 293^2 .

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 3661730.

It is not an unprimeable number, because it can be changed into a prime (3661733) 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, 183077 + ... + 183096.

Almost surely, 2^3661730 is an apocalyptic number.

3661730 is a deficient number, since it is larger than the sum of its proper divisors (2929402).

3661730 is a wasteful number, since it uses less digits than its factorization.

3661730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366180.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3661730 is about 1913.5647362972. The cubic root of 3661730 is about 154.1329318281.

The spelling of 3661730 in words is "three million, six hundred sixty-one thousand, seven hundred thirty".