1872727 has 2 divisors, whose sum is σ = 1872728. Its totient is φ = 1872726.

The previous prime is 1872721. The next prime is 1872743. The reversal of 1872727 is 7272781.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1872727 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1872692 and 1872701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1872721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936363 + 936364.

It is an arithmetic number, because the mean of its divisors is an integer number (936364).

2^1872727 is an apocalyptic number.

1872727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1872727 is an equidigital number, since it uses as much as digits as its factorization.

1872727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10976, while the sum is 34.

The square root of 1872727 is about 1368.4761598216. The cubic root of 1872727 is about 123.2607551230.

The spelling of 1872727 in words is "one million, eight hundred seventy-two thousand, seven hundred twenty-seven".