10720870 has 16 divisors (see below), whose sum is σ = 19368720. Its totient is φ = 4272544.

The previous prime is 10720867. The next prime is 10720873. The reversal of 10720870 is 7802701.

It is a happy number.

10720870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10720867) and next prime (10720873).

It is a super-2 number, since 2×10720870² = 229874107113800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 4759.

It is an arithmetic number, because the mean of its divisors is an integer number (1210545).

Almost surely, 2^10720870 is an apocalyptic number.

10720870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10720870 is a deficient number, since it is larger than the sum of its proper divisors (8647850).

10720870 is a wasteful number, since it uses less digits than its factorization.

10720870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 10720870 is about 3274.2739653242. The cubic root of 10720870 is about 220.5007190053.

The spelling of 10720870 in words is "ten million, seven hundred twenty thousand, eight hundred seventy".