9972365 has 8 divisors (see below), whose sum is σ = 12887448. Its totient is φ = 7364160.

The previous prime is 9972343. The next prime is 9972377. The reversal of 9972365 is 5632799.

It can be written as a sum of positive squares in 4 ways, for example, as 24649 + 9947716 = 157^2 + 3154^2 .

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

It is not a de Polignac number, because 9972365 - 2¹⁰ = 9971341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76646 + ... + 76775.

It is an arithmetic number, because the mean of its divisors is an integer number (1610931).

Almost surely, 2^9972365 is an apocalyptic number.

It is an amenable number.

9972365 is a deficient number, since it is larger than the sum of its proper divisors (2915083).

9972365 is a wasteful number, since it uses less digits than its factorization.

9972365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153439.

The product of its digits is 102060, while the sum is 41.

The square root of 9972365 is about 3157.9051600705. The cubic root of 9972365 is about 215.2448265657.

The spelling of 9972365 in words is "nine million, nine hundred seventy-two thousand, three hundred sixty-five".