9972470 has 8 divisors (see below), whose sum is σ = 17950464. Its totient is φ = 3988984.

The previous prime is 9972451. The next prime is 9972497. The reversal of 9972470 is 742799.

It is a happy number.

9972470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498614 + ... + 498633.

It is an arithmetic number, because the mean of its divisors is an integer number (2243808).

Almost surely, 2^9972470 is an apocalyptic number.

9972470 is a deficient number, since it is larger than the sum of its proper divisors (7977994).

9972470 is a wasteful number, since it uses less digits than its factorization.

9972470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997254.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 9972470 is about 3157.9217849719. The cubic root of 9972470 is about 215.2455820076.

The spelling of 9972470 in words is "nine million, nine hundred seventy-two thousand, four hundred seventy".