1801704742 has 8 divisors (see below), whose sum is σ = 2705526432. Its totient is φ = 899862600.

The previous prime is 1801704691. The next prime is 1801704757. The reversal of 1801704742 is 2474071081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1801704742² = 6492279954690573128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1801704698 and 1801704707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492609 + ... + 496252.

It is an arithmetic number, because the mean of its divisors is an integer number (338190804).

Almost surely, 2^1801704742 is an apocalyptic number.

1801704742 is a deficient number, since it is larger than the sum of its proper divisors (903821690).

1801704742 is an equidigital number, since it uses as much as digits as its factorization.

1801704742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989774.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 1801704742 is about 42446.4926937433. The cubic root of 1801704742 is about 1216.8242996194.

The spelling of 1801704742 in words is "one billion, eight hundred one million, seven hundred four thousand, seven hundred forty-two".