3780712916 has 6 divisors (see below), whose sum is σ = 6616247610. Its totient is φ = 1890356456.

The previous prime is 3780712913. The next prime is 3780712927. The reversal of 3780712916 is 6192170873.

It can be written as a sum of positive squares in only one way, i.e., 1918790416 + 1861922500 = 43804^2 + 43150^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780712913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472589111 + ... + 472589118.

It is an arithmetic number, because the mean of its divisors is an integer number (1102707935).

Almost surely, 2^3780712916 is an apocalyptic number.

It is an amenable number.

3780712916 is a deficient number, since it is larger than the sum of its proper divisors (2835534694).

3780712916 is a wasteful number, since it uses less digits than its factorization.

3780712916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945178233 (or 945178231 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 3780712916 is about 61487.5021122179. The cubic root of 3780712916 is about 1557.8461559370.

The spelling of 3780712916 in words is "three billion, seven hundred eighty million, seven hundred twelve thousand, nine hundred sixteen".