9975774 has 8 divisors (see below), whose sum is σ = 19951560. Its totient is φ = 3325256.

The previous prime is 9975773. The next prime is 9975803. The reversal of 9975774 is 4775799.

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

9975774 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831309 + ... + 831320.

It is an arithmetic number, because the mean of its divisors is an integer number (2493945).

Almost surely, 2^9975774 is an apocalyptic number.

9975774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9975774 is a wasteful number, since it uses less digits than its factorization.

9975774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662634.

The product of its digits is 555660, while the sum is 48.

The square root of 9975774 is about 3158.4448705019. Note that the first 3 decimals coincide. The cubic root of 9975774 is about 215.2693505383.

The spelling of 9975774 in words is "nine million, nine hundred seventy-five thousand, seven hundred seventy-four".