4057707 has 6 divisors (see below), whose sum is σ = 5414932. Its totient is φ = 2702812.

The previous prime is 4057699. The next prime is 4057723. The reversal of 4057707 is 7077504.

It is a happy number.

It is not a de Polignac number, because 4057707 - 2³ = 4057699 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4057727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2908 + ... + 4070.

Almost surely, 2^4057707 is an apocalyptic number.

4057707 is a deficient number, since it is larger than the sum of its proper divisors (1357225).

4057707 is an frugal number, since it uses more digits than its factorization.

4057707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 4057707 is about 2014.3750892026. The cubic root of 4057707 is about 159.4998313039.

The spelling of 4057707 in words is "four million, fifty-seven thousand, seven hundred seven".