10721715 has 8 divisors (see below), whose sum is σ = 17154768. Its totient is φ = 5718240.

The previous prime is 10721653. The next prime is 10721723. The reversal of 10721715 is 51712701.

It is a happy number.

10721715 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 not a de Polignac number, because 10721715 - 2⁷ = 10721587 is a prime.

It is a super-2 number, since 2×10721715² = 229910345082450, which contains 22 as substring.

It is an unprimeable number.

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, 357376 + ... + 357405.

It is an arithmetic number, because the mean of its divisors is an integer number (2144346).

Almost surely, 2^10721715 is an apocalyptic number.

10721715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10721715 is a deficient number, since it is larger than the sum of its proper divisors (6433053).

10721715 is an equidigital number, since it uses as much as digits as its factorization.

10721715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714789.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 10721715 is about 3274.4029990213. The cubic root of 10721715 is about 220.5065120120.

The spelling of 10721715 in words is "ten million, seven hundred twenty-one thousand, seven hundred fifteen".