3782712646 has 8 divisors (see below), whose sum is σ = 5674485960. Its totient is φ = 1891217328.

The previous prime is 3782712611. The next prime is 3782712671. The reversal of 3782712646 is 6462172873.

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

It is a junction number, because it is equal to n+sod(n) for n = 3782712596 and 3782712605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31276 + ... + 92431.

It is an arithmetic number, because the mean of its divisors is an integer number (709310745).

Almost surely, 2^3782712646 is an apocalyptic number.

3782712646 is a deficient number, since it is larger than the sum of its proper divisors (1891773314).

3782712646 is a wasteful number, since it uses less digits than its factorization.

3782712646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138998.

The product of its digits is 677376, while the sum is 46.

The square root of 3782712646 is about 61503.7612345782. The cubic root of 3782712646 is about 1558.1207710401.

The spelling of 3782712646 in words is "three billion, seven hundred eighty-two million, seven hundred twelve thousand, six hundred forty-six".