1742478097 has 2 divisors, whose sum is σ = 1742478098. Its totient is φ = 1742478096.

The previous prime is 1742478061. The next prime is 1742478103. The reversal of 1742478097 is 7908742471.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037097616 + 705380481 = 32204^2 + 26559^2 .

It is a cyclic number.

It is not a de Polignac number, because 1742478097 - 2⁷ = 1742477969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1742478097.

It is not a weakly prime, because it can be changed into another prime (1742478797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871239048 + 871239049.

It is an arithmetic number, because the mean of its divisors is an integer number (871239049).

Almost surely, 2^1742478097 is an apocalyptic number.

It is an amenable number.

1742478097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742478097 is an equidigital number, since it uses as much as digits as its factorization.

1742478097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 1742478097 is about 41743.0005749467. Note that the first 3 decimals coincide. The cubic root of 1742478097 is about 1203.3420947039.

The spelling of 1742478097 in words is "one billion, seven hundred forty-two million, four hundred seventy-eight thousand, ninety-seven".