1970743 has 2 divisors, whose sum is σ = 1970744. Its totient is φ = 1970742.

The previous prime is 1970729. The next prime is 1970783. The reversal of 1970743 is 3470791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1970743 - 2⁵ = 1970711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970713) 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 as a sum of consecutive naturals, namely, 985371 + 985372.

It is an arithmetic number, because the mean of its divisors is an integer number (985372).

2^1970743 is an apocalyptic number.

1970743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970743 is an equidigital number, since it uses as much as digits as its factorization.

1970743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1970743 is about 1403.8315426005. The cubic root of 1970743 is about 125.3747261864.

The spelling of 1970743 in words is "one million, nine hundred seventy thousand, seven hundred forty-three".