9972562 has 4 divisors (see below), whose sum is σ = 14958846. Its totient is φ = 4986280.

The previous prime is 9972559. The next prime is 9972569. The reversal of 9972562 is 2652799.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6205081 + 3767481 = 2491^2 + 1941^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9972569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493139 + ... + 2493142.

Almost surely, 2^9972562 is an apocalyptic number.

9972562 is a deficient number, since it is larger than the sum of its proper divisors (4986284).

9972562 is a wasteful number, since it uses less digits than its factorization.

9972562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986283.

The product of its digits is 68040, while the sum is 40.

The square root of 9972562 is about 3157.9363514802. The cubic root of 9972562 is about 215.2462439142.

The spelling of 9972562 in words is "nine million, nine hundred seventy-two thousand, five hundred sixty-two".