17072303057 has 6 divisors (see below), whose sum is σ = 18135630198. Its totient is φ = 16068049664.

The previous prime is 17072303021. The next prime is 17072303093. The reversal of 17072303057 is 75030327071.

It is an interprime number because it is at equal distance from previous prime (17072303021) and next prime (17072303093).

It can be written as a sum of positive squares in 3 ways, for example, as 2050368961 + 15021934096 = 45281^2 + 122564^2 .

It is not a de Polignac number, because 17072303057 - 2⁶ = 17072302993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17072303557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29536568 + ... + 29537145.

It is an arithmetic number, because the mean of its divisors is an integer number (3022605033).

Almost surely, 2^17072303057 is an apocalyptic number.

17072303057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

17072303057 is a deficient number, since it is larger than the sum of its proper divisors (1063327141).

17072303057 is an equidigital number, since it uses as much as digits as its factorization.

17072303057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59073747 (or 59073730 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 35.

The spelling of 17072303057 in words is "seventeen billion, seventy-two million, three hundred three thousand, fifty-seven".