16073738 has 16 divisors (see below), whose sum is σ = 25651080. Its totient is φ = 7527936.

The previous prime is 16073737. The next prime is 16073741. The reversal of 16073738 is 83737061.

It can be written as a sum of positive squares in 4 ways, for example, as 16024009 + 49729 = 4003^2 + 223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16073698 and 16073707.

It is not an unprimeable number, because it can be changed into a prime (16073731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6908 + ... + 8936.

Almost surely, 2^16073738 is an apocalyptic number.

16073738 is a deficient number, since it is larger than the sum of its proper divisors (9577342).

16073738 is a wasteful number, since it uses less digits than its factorization.

16073738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 16073738 is about 4009.2066546887. The cubic root of 16073738 is about 252.3707170735.

The spelling of 16073738 in words is "sixteen million, seventy-three thousand, seven hundred thirty-eight".