173740494490 has 8 divisors (see below), whose sum is σ = 312732890100. Its totient is φ = 69496197792.

The previous prime is 173740494481. The next prime is 173740494493. The reversal of 173740494490 is 94494047371.

It can be written as a sum of positive squares in 2 ways, for example, as 143869248601 + 29871245889 = 379301^2 + 172833^2 .

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

It is not an unprimeable number, because it can be changed into a prime (173740494493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8687024715 + ... + 8687024734.

Almost surely, 2^173740494490 is an apocalyptic number.

173740494490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173740494490 is a deficient number, since it is larger than the sum of its proper divisors (138992395610).

173740494490 is a wasteful number, since it uses less digits than its factorization.

173740494490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17374049456.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 173740494490 in words is "one hundred seventy-three billion, seven hundred forty million, four hundred ninety-four thousand, four hundred ninety".