1703720043 has 12 divisors (see below), whose sum is σ = 2545788960. Its totient is φ = 1096647216.

The previous prime is 1703720023. The next prime is 1703720069. The reversal of 1703720043 is 3400273071.

It is not a de Polignac number, because 1703720043 - 2¹² = 1703715947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1703719989 and 1703720016.

It is not an unprimeable number, because it can be changed into a prime (1703720023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3263571 + ... + 3264092.

It is an arithmetic number, because the mean of its divisors is an integer number (212149080).

Almost surely, 2^1703720043 is an apocalyptic number.

1703720043 is a deficient number, since it is larger than the sum of its proper divisors (842068917).

1703720043 is a wasteful number, since it uses less digits than its factorization.

1703720043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527698 (or 6527695 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 1703720043 is about 41276.1437515667. The cubic root of 1703720043 is about 1194.3531084448.

The spelling of 1703720043 in words is "one billion, seven hundred three million, seven hundred twenty thousand, forty-three".