10721435 has 4 divisors (see below), whose sum is σ = 12865728. Its totient is φ = 8577144.

The previous prime is 10721419. The next prime is 10721461. The reversal of 10721435 is 53412701.

10721435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10721435 - 2⁴ = 10721419 is a prime.

It is a super-2 number, since 2×10721435² = 229898336918450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10721435.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072139 + ... + 1072148.

It is an arithmetic number, because the mean of its divisors is an integer number (3216432).

Almost surely, 2^10721435 is an apocalyptic number.

10721435 is a deficient number, since it is larger than the sum of its proper divisors (2144293).

10721435 is an equidigital number, since it uses as much as digits as its factorization.

10721435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144292.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 10721435 is about 3274.3602428566. The cubic root of 10721435 is about 220.5045924695.

The spelling of 10721435 in words is "ten million, seven hundred twenty-one thousand, four hundred thirty-five".