10673921 has 4 divisors (see below), whose sum is σ = 10681344. Its totient is φ = 10666500.

The previous prime is 10673903. The next prime is 10673939. The reversal of 10673921 is 12937601.

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 an interprime number because it is at equal distance from previous prime (10673903) and next prime (10673939).

It is a cyclic number.

It is not a de Polignac number, because 10673921 - 2²² = 6479617 is a prime.

It is a super-2 number, since 2×10673921² = 227865179028482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10673941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (2670336).

Almost surely, 2^10673921 is an apocalyptic number.

It is an amenable number.

10673921 is a deficient number, since it is larger than the sum of its proper divisors (7423).

10673921 is an equidigital number, since it uses as much as digits as its factorization.

10673921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 10673921 is about 3267.0967233922. The cubic root of 10673921 is about 220.1783746196.

The spelling of 10673921 in words is "ten million, six hundred seventy-three thousand, nine hundred twenty-one".