9972502 has 4 divisors (see below), whose sum is σ = 14958756. Its totient is φ = 4986250.

The previous prime is 9972497. The next prime is 9972509. The reversal of 9972502 is 2052799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2052799 = 7 ⋅293257.

It is a super-2 number, since 2×9972502² = 198901592280008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493124 + ... + 2493127.

It is an arithmetic number, because the mean of its divisors is an integer number (3739689).

Almost surely, 2^9972502 is an apocalyptic number.

9972502 is a deficient number, since it is larger than the sum of its proper divisors (4986254).

9972502 is a wasteful number, since it uses less digits than its factorization.

9972502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986253.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 9972502 is about 3157.9268515911. The cubic root of 9972502 is about 215.2458122364.

The spelling of 9972502 in words is "nine million, nine hundred seventy-two thousand, five hundred two".