3207694340 has 12 divisors (see below), whose sum is σ = 6736158156. Its totient is φ = 1283077728.

The previous prime is 3207694339. The next prime is 3207694381. The reversal of 3207694340 is 434967023.

It can be written as a sum of positive squares in 2 ways, for example, as 486820096 + 2720874244 = 22064^2 + 52162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3207694294 and 3207694303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80192339 + ... + 80192378.

It is an arithmetic number, because the mean of its divisors is an integer number (561346513).

Almost surely, 2^3207694340 is an apocalyptic number.

It is an amenable number.

3207694340 is an abundant number, since it is smaller than the sum of its proper divisors (3528463816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3207694340 is a wasteful number, since it uses less digits than its factorization.

3207694340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160384726 (or 160384724 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 3207694340 is about 56636.5106622927. The cubic root of 3207694340 is about 1474.7927453698.

The spelling of 3207694340 in words is "three billion, two hundred seven million, six hundred ninety-four thousand, three hundred forty".