10720279 has 4 divisors (see below), whose sum is σ = 10768576. Its totient is φ = 10671984.

The previous prime is 10720271. The next prime is 10720289. The reversal of 10720279 is 97202701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97202701 = 31 ⋅3135571.

It is a cyclic number.

It is not a de Polignac number, because 10720279 - 2³ = 10720271 is a prime.

It is a super-2 number, since 2×10720279² = 229848763675682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720271) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23814 + ... + 24259.

It is an arithmetic number, because the mean of its divisors is an integer number (2692144).

Almost surely, 2^10720279 is an apocalyptic number.

10720279 is a deficient number, since it is larger than the sum of its proper divisors (48297).

10720279 is an equidigital number, since it uses as much as digits as its factorization.

10720279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48296.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 10720279 is about 3274.1837150655. The cubic root of 10720279 is about 220.4966671476.

The spelling of 10720279 in words is "ten million, seven hundred twenty thousand, two hundred seventy-nine".