3729971 has 4 divisors (see below), whose sum is σ = 4262832. Its totient is φ = 3197112.

The previous prime is 3729961. The next prime is 3729977. The reversal of 3729971 is 1799273.

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 3729971 - 2¹⁰ = 3728947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3729977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266420 + ... + 266433.

It is an arithmetic number, because the mean of its divisors is an integer number (1065708).

Almost surely, 2^3729971 is an apocalyptic number.

3729971 is a deficient number, since it is larger than the sum of its proper divisors (532861).

3729971 is an equidigital number, since it uses as much as digits as its factorization.

3729971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532860.

The product of its digits is 23814, while the sum is 38.

The square root of 3729971 is about 1931.3132837528. The cubic root of 3729971 is about 155.0845324541.

The spelling of 3729971 in words is "three million, seven hundred twenty-nine thousand, nine hundred seventy-one".