2006781376 has 14 divisors (see below), whose sum is σ = 3982206920. Its totient is φ = 1003390656.

The previous prime is 2006781341. The next prime is 2006781377. The reversal of 2006781376 is 6731876002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006781377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15677916 + ... + 15678043.

Almost surely, 2^2006781376 is an apocalyptic number.

It is an amenable number.

2006781376 is a deficient number, since it is larger than the sum of its proper divisors (1975425544).

2006781376 is an equidigital number, since it uses as much as digits as its factorization.

2006781376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31355971 (or 31355961 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 2006781376 is about 44797.1134784374. The cubic root of 2006781376 is about 1261.3434432018.

The spelling of 2006781376 in words is "two billion, six million, seven hundred eighty-one thousand, three hundred seventy-six".