1072743 has 16 divisors (see below), whose sum is σ = 1706496. Its totient is φ = 586080.

The previous prime is 1072733. The next prime is 1072763. The reversal of 1072743 is 3472701.

It is not a de Polignac number, because 1072743 - 2⁵ = 1072711 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (106656).

2^1072743 is an apocalyptic number.

1072743 is a deficient number, since it is larger than the sum of its proper divisors (633753).

1072743 is a wasteful number, since it uses less digits than its factorization.

1072743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1072743 is about 1035.7330737212. The cubic root of 1072743 is about 102.3682383896.

It can be divided in two parts, 107 and 2743, that added together give a triangular number (2850 = T₇₅).

The spelling of 1072743 in words is "one million, seventy-two thousand, seven hundred forty-three".