16072732 has 12 divisors (see below), whose sum is σ = 30291016. Its totient is φ = 7418160.

The previous prime is 16072729. The next prime is 16072733. The reversal of 16072732 is 23727061.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16072732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16072733) 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, 154494 + ... + 154597.

Almost surely, 2^16072732 is an apocalyptic number.

It is an amenable number.

16072732 is a deficient number, since it is larger than the sum of its proper divisors (14218284).

16072732 is a wasteful number, since it uses less digits than its factorization.

16072732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309108 (or 309106 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 16072732 is about 4009.0811914951. The cubic root of 16072732 is about 252.3654519585.

Adding to 16072732 its reverse (23727061), we get a palindrome (39799793).

The spelling of 16072732 in words is "sixteen million, seventy-two thousand, seven hundred thirty-two".