10353721 has 8 divisors (see below), whose sum is σ = 12214784. Its totient is φ = 8588160.

The previous prime is 10353701. The next prime is 10353757. The reversal of 10353721 is 12735301.

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

It is not a de Polignac number, because 10353721 - 2⁹ = 10353209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10353692 and 10353701.

It is not an unprimeable number, because it can be changed into a prime (10353701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23640 + ... + 24073.

It is an arithmetic number, because the mean of its divisors is an integer number (1526848).

Almost surely, 2^10353721 is an apocalyptic number.

It is an amenable number.

10353721 is a deficient number, since it is larger than the sum of its proper divisors (1861063).

10353721 is an equidigital number, since it uses as much as digits as its factorization.

10353721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47751.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 10353721 is about 3217.7198448591. The cubic root of 10353721 is about 217.9543222761.

It can be divided in two parts, 103 and 53721, that added together give a square (53824 = 232²).

The spelling of 10353721 in words is "ten million, three hundred fifty-three thousand, seven hundred twenty-one".