1730401373 has 4 divisors (see below), whose sum is σ = 1730566908. Its totient is φ = 1730235840.

The previous prime is 1730401367. The next prime is 1730401381. The reversal of 1730401373 is 3731040371.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88774084 + 1641627289 = 9422^2 + 40517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1730401373 - 2¹⁴ = 1730384989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730401073) by changing a digit.

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, 65948 + ... + 88373.

It is an arithmetic number, because the mean of its divisors is an integer number (432641727).

Almost surely, 2^1730401373 is an apocalyptic number.

It is an amenable number.

1730401373 is a deficient number, since it is larger than the sum of its proper divisors (165535).

1730401373 is a wasteful number, since it uses less digits than its factorization.

1730401373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165534.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1730401373 is about 41598.0933817885. The cubic root of 1730401373 is about 1200.5556160822. Note that the first 3 decimals are identical.

The spelling of 1730401373 in words is "one billion, seven hundred thirty million, four hundred one thousand, three hundred seventy-three".