1742071973 has 2 divisors, whose sum is σ = 1742071974. Its totient is φ = 1742071972.

The previous prime is 1742071951. The next prime is 1742071979. The reversal of 1742071973 is 3791702471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1663253089 + 78818884 = 40783^2 + 8878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1742071973 - 2⁶ = 1742071909 is a prime.

It is a super-2 number, since 2×1742071973² = 6069629518224225458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1742071973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1742071979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871035986 + 871035987.

It is an arithmetic number, because the mean of its divisors is an integer number (871035987).

Almost surely, 2^1742071973 is an apocalyptic number.

It is an amenable number.

1742071973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742071973 is an equidigital number, since it uses as much as digits as its factorization.

1742071973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 1742071973 is about 41738.1357154342. The cubic root of 1742071973 is about 1203.2485987266.

The spelling of 1742071973 in words is "one billion, seven hundred forty-two million, seventy-one thousand, nine hundred seventy-three".