1047742373 has 2 divisors, whose sum is σ = 1047742374. Its totient is φ = 1047742372.

The previous prime is 1047742349. The next prime is 1047742447. The reversal of 1047742373 is 3732477401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 789722404 + 258019969 = 28102^2 + 16063^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047742373 - 2¹⁰ = 1047741349 is a prime.

It is a super-2 number, since 2×1047742373² = 2195528160359342258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047742673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523871186 + 523871187.

It is an arithmetic number, because the mean of its divisors is an integer number (523871187).

Almost surely, 2^1047742373 is an apocalyptic number.

It is an amenable number.

1047742373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047742373 is an equidigital number, since it uses as much as digits as its factorization.

1047742373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 1047742373 is about 32368.8488056032. The cubic root of 1047742373 is about 1015.6673757315.

It can be divided in two parts, 104 and 7742373, that added together give a palindrome (7742477).

The spelling of 1047742373 in words is "one billion, forty-seven million, seven hundred forty-two thousand, three hundred seventy-three".