3145727 has 4 divisors (see below), whose sum is σ = 3387720. Its totient is φ = 2903736.

The previous prime is 3145721. The next prime is 3145739. The reversal of 3145727 is 7275413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7275413 = 257 ⋅28309.

It is a cyclic number.

It is not a de Polignac number, because 3145727 - 2⁴ = 3145711 is a prime.

It is a Duffinian number.

It is a plaindrome in base 4, base 8 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 3145727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145721) 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, 120977 + ... + 121002.

It is an arithmetic number, because the mean of its divisors is an integer number (846930).

Almost surely, 2^3145727 is an apocalyptic number.

3145727 is a deficient number, since it is larger than the sum of its proper divisors (241993).

3145727 is a wasteful number, since it uses less digits than its factorization.

3145727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241992.

The product of its digits is 5880, while the sum is 29.

The square root of 3145727 is about 1773.6197450412. The cubic root of 3145727 is about 146.5234075206.

The spelling of 3145727 in words is "three million, one hundred forty-five thousand, seven hundred twenty-seven".