1704061642 has 4 divisors (see below), whose sum is σ = 2556092466. Its totient is φ = 852030820.

The previous prime is 1704061633. The next prime is 1704061649. The reversal of 1704061642 is 2461604071.

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., 1503810841 + 200250801 = 38779^2 + 14151^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1704061649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426015409 + ... + 426015412.

Almost surely, 2^1704061642 is an apocalyptic number.

1704061642 is a deficient number, since it is larger than the sum of its proper divisors (852030824).

1704061642 is an equidigital number, since it uses as much as digits as its factorization.

1704061642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852030823.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1704061642 is about 41280.2815155129. The cubic root of 1704061642 is about 1194.4329264416.

The spelling of 1704061642 in words is "one billion, seven hundred four million, sixty-one thousand, six hundred forty-two".