16072274 has 4 divisors (see below), whose sum is σ = 24108414. Its totient is φ = 8036136.

The previous prime is 16072267. The next prime is 16072297. The reversal of 16072274 is 47227061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47227061 = 7 ⋅6746723.

It can be written as a sum of positive squares in only one way, i.e., 13801225 + 2271049 = 3715^2 + 1507^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4018067 + ... + 4018070.

Almost surely, 2^16072274 is an apocalyptic number.

16072274 is a deficient number, since it is larger than the sum of its proper divisors (8036140).

16072274 is an equidigital number, since it uses as much as digits as its factorization.

16072274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036139.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 16072274 is about 4009.0240707683. The cubic root of 16072274 is about 252.3630548452.

The spelling of 16072274 in words is "sixteen million, seventy-two thousand, two hundred seventy-four".