3970727 has 4 divisors (see below), whose sum is σ = 4067616. Its totient is φ = 3873840.

The previous prime is 3970723. The next prime is 3970739. The reversal of 3970727 is 7270793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3970727 - 2² = 3970723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970723) by changing a digit.

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, 48383 + ... + 48464.

It is an arithmetic number, because the mean of its divisors is an integer number (1016904).

Almost surely, 2^3970727 is an apocalyptic number.

3970727 is a deficient number, since it is larger than the sum of its proper divisors (96889).

3970727 is an equidigital number, since it uses as much as digits as its factorization.

3970727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96888.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 3970727 is about 1992.6683115863. The cubic root of 3970727 is about 158.3519234559.

The spelling of 3970727 in words is "three million, nine hundred seventy thousand, seven hundred twenty-seven".