1704256642 has 16 divisors (see below), whose sum is σ = 2935562400. Its totient is φ = 733890240.

The previous prime is 1704256637. The next prime is 1704256649. The reversal of 1704256642 is 2466524071.

It is a super-2 number, since 2×1704256642² = 5808981403602232328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1704256649) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2038167 + ... + 2039002.

It is an arithmetic number, because the mean of its divisors is an integer number (183472650).

Almost surely, 2^1704256642 is an apocalyptic number.

1704256642 is a deficient number, since it is larger than the sum of its proper divisors (1231305758).

1704256642 is a wasteful number, since it uses less digits than its factorization.

1704256642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077201.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1704256642 is about 41282.6433504445. The cubic root of 1704256642 is about 1194.4784853445.

The spelling of 1704256642 in words is "one billion, seven hundred four million, two hundred fifty-six thousand, six hundred forty-two".