9725995 has 4 divisors (see below), whose sum is σ = 11671200. Its totient is φ = 7780792.

The previous prime is 9725959. The next prime is 9726001. The reversal of 9725995 is 5995279.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9725995 is a prime.

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, 972595 + ... + 972604.

It is an arithmetic number, because the mean of its divisors is an integer number (2917800).

Almost surely, 2^9725995 is an apocalyptic number.

9725995 is a deficient number, since it is larger than the sum of its proper divisors (1945205).

9725995 is a wasteful number, since it uses less digits than its factorization.

9725995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945204.

The product of its digits is 255150, while the sum is 46.

The square root of 9725995 is about 3118.6527539949. The cubic root of 9725995 is about 213.4574649216.

The spelling of 9725995 in words is "nine million, seven hundred twenty-five thousand, nine hundred ninety-five".