3709957707 has 20 divisors (see below), whose sum is σ = 5782996560. Its totient is φ = 2365768944.

The previous prime is 3709957703. The next prime is 3709957709. The reversal of 3709957707 is 7077599073.

It is a happy number.

It is not a de Polignac number, because 3709957707 - 2² = 3709957703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3709957703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 993832 + ... + 997557.

It is an arithmetic number, because the mean of its divisors is an integer number (289149828).

Almost surely, 2^3709957707 is an apocalyptic number.

3709957707 is a deficient number, since it is larger than the sum of its proper divisors (2073038853).

3709957707 is a wasteful number, since it uses less digits than its factorization.

3709957707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991424 (or 1991415 counting only the distinct ones).

The product of its (nonzero) digits is 2917215, while the sum is 54.

The square root of 3709957707 is about 60909.4221528985. The cubic root of 3709957707 is about 1548.0666435163.

The spelling of 3709957707 in words is "three billion, seven hundred nine million, nine hundred fifty-seven thousand, seven hundred seven".