16074493 has 4 divisors (see below), whose sum is σ = 16773408. Its totient is φ = 15375580.

The previous prime is 16074481. The next prime is 16074521. The reversal of 16074493 is 39447061.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39447061 = 281 ⋅140381.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16074493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16074433) 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, 349423 + ... + 349468.

It is an arithmetic number, because the mean of its divisors is an integer number (4193352).

Almost surely, 2^16074493 is an apocalyptic number.

It is an amenable number.

16074493 is a deficient number, since it is larger than the sum of its proper divisors (698915).

16074493 is an equidigital number, since it uses as much as digits as its factorization.

16074493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698914.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16074493 is about 4009.3008118623. The cubic root of 16074493 is about 252.3746683823.

The spelling of 16074493 in words is "sixteen million, seventy-four thousand, four hundred ninety-three".