16419073 has 4 divisors (see below), whose sum is σ = 17911728. Its totient is φ = 14926420.

The previous prime is 16419031. The next prime is 16419101. The reversal of 16419073 is 37091461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16419073 - 2²¹ = 14321921 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16419023) 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, 746311 + ... + 746332.

It is an arithmetic number, because the mean of its divisors is an integer number (4477932).

Almost surely, 2^16419073 is an apocalyptic number.

It is an amenable number.

16419073 is a deficient number, since it is larger than the sum of its proper divisors (1492655).

16419073 is a wasteful number, since it uses less digits than its factorization.

16419073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492654.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16419073 is about 4052.0455328143. The cubic root of 16419073 is about 254.1652726013.

The spelling of 16419073 in words is "sixteen million, four hundred nineteen thousand, seventy-three".