16473040 has 20 divisors (see below), whose sum is σ = 38300004. Its totient is φ = 6589184.

The previous prime is 16473031. The next prime is 16473071. The reversal of 16473040 is 4037461.

It can be written as a sum of positive squares in 2 ways, for example, as 6512704 + 9960336 = 2552^2 + 3156^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×16473040² = 542722093683200, which contains 22 as substring.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 16472996 and 16473014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102877 + ... + 103036.

Almost surely, 2^16473040 is an apocalyptic number.

16473040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16473040 is an abundant number, since it is smaller than the sum of its proper divisors (21826964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16473040 is a wasteful number, since it uses less digits than its factorization.

16473040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205926 (or 205920 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 16473040 is about 4058.6992990366. The cubic root of 16473040 is about 254.4434356171.

The spelling of 16473040 in words is "sixteen million, four hundred seventy-three thousand, forty".