15772 has 6 divisors (see below), whose sum is σ = 27608. Its totient is φ = 7884.

The previous prime is 15767. The next prime is 15773. The reversal of 15772 is 27751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968 + ... + 1975.

2¹⁵⁷⁷² is an apocalyptic number.

It is an amenable number.

15772 is a deficient number, since it is larger than the sum of its proper divisors (11836).

15772 is a wasteful number, since it uses less digits than its factorization.

15772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947 (or 3945 counting only the distinct ones).

The product of its digits is 490, while the sum is 22.

The square root of 15772 is about 125.5866234915. The cubic root of 15772 is about 25.0781554146.

It can be divided in two parts, 15 and 772, that added together give a palindrome (787).

The spelling of 15772 in words is "fifteen thousand, seven hundred seventy-two".