1970000743 has 2 divisors, whose sum is σ = 1970000744. Its totient is φ = 1970000742.

The previous prime is 1970000717. The next prime is 1970000771. The reversal of 1970000743 is 3470000791.

It is a weak prime.

It is an emirp because it is prime and its reverse (3470000791) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1970000743 is a prime.

It is a super-5 number, since 5×1970000743⁵ (a number of 48 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970000143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985000371 + 985000372.

It is an arithmetic number, because the mean of its divisors is an integer number (985000372).

Almost surely, 2^1970000743 is an apocalyptic number.

1970000743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970000743 is an equidigital number, since it uses as much as digits as its factorization.

1970000743 is an evil number, because the sum of its binary digits is even.

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

The square root of 1970000743 is about 44384.6904123483. The cubic root of 1970000743 is about 1253.5898390817.

The spelling of 1970000743 in words is "one billion, nine hundred seventy million, seven hundred forty-three", and thus it is an aban number.