10662728 has 8 divisors (see below), whose sum is σ = 19992630. Its totient is φ = 5331360.

The previous prime is 10662721. The next prime is 10662737. The reversal of 10662728 is 82726601.

It can be written as a sum of positive squares in only one way, i.e., 10484644 + 178084 = 3238^2 + 422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10662728² = 227387536803968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10662694 and 10662703.

It is not an unprimeable number, because it can be changed into a prime (10662721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666413 + ... + 666428.

Almost surely, 2^10662728 is an apocalyptic number.

It is an amenable number.

10662728 is a deficient number, since it is larger than the sum of its proper divisors (9329902).

10662728 is a wasteful number, since it uses less digits than its factorization.

10662728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332847 (or 1332843 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 10662728 is about 3265.3832853128. The cubic root of 10662728 is about 220.1013857766.

The spelling of 10662728 in words is "ten million, six hundred sixty-two thousand, seven hundred twenty-eight".