16472940 has 72 divisors (see below), whose sum is σ = 50720880. Its totient is φ = 3991680.

The previous prime is 16472917. The next prime is 16472959. The reversal of 16472940 is 4927461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6126 + ... + 8394.

Almost surely, 2^16472940 is an apocalyptic number.

16472940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16472940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25360440).

16472940 is an abundant number, since it is smaller than the sum of its proper divisors (34247940).

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

16472940 is a wasteful number, since it uses less digits than its factorization.

16472940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 16472940 is about 4058.6869798002. The cubic root of 16472940 is about 254.4429207477.

The spelling of 16472940 in words is "sixteen million, four hundred seventy-two thousand, nine hundred forty".