3686770738 has 8 divisors (see below), whose sum is σ = 6320178432. Its totient is φ = 1580044596.

The previous prime is 3686770721. The next prime is 3686770753. The reversal of 3686770738 is 8370776863.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131670370 + ... + 131670397.

It is an arithmetic number, because the mean of its divisors is an integer number (790022304).

Almost surely, 2^3686770738 is an apocalyptic number.

3686770738 is a deficient number, since it is larger than the sum of its proper divisors (2633407694).

3686770738 is a wasteful number, since it uses less digits than its factorization.

3686770738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263340776.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The square root of 3686770738 is about 60718.7840622653. The cubic root of 3686770738 is about 1544.8347994553.

The spelling of 3686770738 in words is "three billion, six hundred eighty-six million, seven hundred seventy thousand, seven hundred thirty-eight".