10720345 has 8 divisors (see below), whose sum is σ = 12919680. Its totient is φ = 8539440.

The previous prime is 10720337. The next prime is 10720357. The reversal of 10720345 is 54302701.

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

It is not a de Polignac number, because 10720345 - 2³ = 10720337 is a prime.

It is a super-2 number, since 2×10720345² = 229851593838050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3291 + ... + 5680.

It is an arithmetic number, because the mean of its divisors is an integer number (1614960).

Almost surely, 2^10720345 is an apocalyptic number.

It is an amenable number.

10720345 is a deficient number, since it is larger than the sum of its proper divisors (2199335).

10720345 is an equidigital number, since it uses as much as digits as its factorization.

10720345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9215.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 10720345 is about 3274.1937938980. The cubic root of 10720345 is about 220.4971196467.

The spelling of 10720345 in words is "ten million, seven hundred twenty thousand, three hundred forty-five".