10343721 has 8 divisors (see below), whose sum is σ = 14391360. Its totient is φ = 6595952.

The previous prime is 10343719. The next prime is 10343731. The reversal of 10343721 is 12734301.

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

It is a cyclic number.

It is not a de Polignac number, because 10343721 - 2¹ = 10343719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10343731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74886 + ... + 75023.

It is an arithmetic number, because the mean of its divisors is an integer number (1798920).

Almost surely, 2^10343721 is an apocalyptic number.

It is an amenable number.

10343721 is a deficient number, since it is larger than the sum of its proper divisors (4047639).

10343721 is a wasteful number, since it uses less digits than its factorization.

10343721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149935.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 10343721 is about 3216.1655740960. The cubic root of 10343721 is about 217.8841302716.

The spelling of 10343721 in words is "ten million, three hundred forty-three thousand, seven hundred twenty-one".