10721629 has 8 divisors (see below), whose sum is σ = 11110400. Its totient is φ = 10335600.

The previous prime is 10721621. The next prime is 10721653. The reversal of 10721629 is 92612701.

It is a happy number.

10721629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10721629 - 2³ = 10721621 is a prime.

It is a super-2 number, since 2×10721629² = 229906656827282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10721597 and 10721606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10721621) 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, 10324 + ... + 11314.

It is an arithmetic number, because the mean of its divisors is an integer number (1388800).

Almost surely, 2^10721629 is an apocalyptic number.

It is an amenable number.

10721629 is a deficient number, since it is larger than the sum of its proper divisors (388771).

10721629 is an equidigital number, since it uses as much as digits as its factorization.

10721629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 10721629 is about 3274.3898668302. The cubic root of 10721629 is about 220.5059224418.

It can be divided in two parts, 1072 and 1629, that added together give a triangular number (2701 = T₇₃).

The spelling of 10721629 in words is "ten million, seven hundred twenty-one thousand, six hundred twenty-nine".