1748147242 has 4 divisors (see below), whose sum is σ = 2622220866. Its totient is φ = 874073620.

The previous prime is 1748147239. The next prime is 1748147287. The reversal of 1748147242 is 2427418471.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 901860961 + 846286281 = 30031^2 + 29091^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1748147195 and 1748147204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437036809 + ... + 437036812.

Almost surely, 2^1748147242 is an apocalyptic number.

1748147242 is a deficient number, since it is larger than the sum of its proper divisors (874073624).

1748147242 is an equidigital number, since it uses as much as digits as its factorization.

1748147242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874073623.

The product of its digits is 100352, while the sum is 40.

The square root of 1748147242 is about 41810.8507686701. The cubic root of 1748147242 is about 1204.6457047390.

The spelling of 1748147242 in words is "one billion, seven hundred forty-eight million, one hundred forty-seven thousand, two hundred forty-two".