9074921 has 4 divisors (see below), whose sum is σ = 9081744. Its totient is φ = 9068100.

The previous prime is 9074911. The next prime is 9074929. The reversal of 9074921 is 1294709.

9074921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9074921 is a prime.

It is a super-3 number, since 3×9074921³ (a number of 22 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9074929) 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, 695 + ... + 4316.

It is an arithmetic number, because the mean of its divisors is an integer number (2270436).

Almost surely, 2^9074921 is an apocalyptic number.

It is an amenable number.

9074921 is a deficient number, since it is larger than the sum of its proper divisors (6823).

9074921 is a wasteful number, since it uses less digits than its factorization.

9074921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 9074921 is about 3012.4609541038. The cubic root of 9074921 is about 208.5839804928.

The spelling of 9074921 in words is "nine million, seventy-four thousand, nine hundred twenty-one".