16970473 has 6 divisors (see below), whose sum is σ = 18376494. Its totient is φ = 15664896.

The previous prime is 16970467. The next prime is 16970507. The reversal of 16970473 is 37407961.

It can be written as a sum of positive squares in 3 ways, for example, as 1225449 + 15745024 = 1107^2 + 3968^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16970473 is a prime.

It is a super-3 number, since 3×16970473³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16970273) 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, 50040 + ... + 50377.

It is an arithmetic number, because the mean of its divisors is an integer number (3062749).

Almost surely, 2^16970473 is an apocalyptic number.

16970473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16970473 is a deficient number, since it is larger than the sum of its proper divisors (1406021).

16970473 is a wasteful number, since it uses less digits than its factorization.

16970473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100443 (or 100430 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 16970473 is about 4119.5233947630. The cubic root of 16970473 is about 256.9792056737.

The spelling of 16970473 in words is "sixteen million, nine hundred seventy thousand, four hundred seventy-three".