10720918 has 8 divisors (see below), whose sum is σ = 17318448. Its totient is φ = 4948104.

The previous prime is 10720907. The next prime is 10720939. The reversal of 10720918 is 81902701.

10720918 is digitally balanced in base 2, 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 a super-2 number, since 2×10720918² = 229876165525448, which contains 22 as substring.

It is a congruent number.

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, 206146 + ... + 206197.

It is an arithmetic number, because the mean of its divisors is an integer number (2164806).

Almost surely, 2^10720918 is an apocalyptic number.

10720918 is a deficient number, since it is larger than the sum of its proper divisors (6597530).

10720918 is a wasteful number, since it uses less digits than its factorization.

10720918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412358.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 10720918 is about 3274.2812951853. The cubic root of 10720918 is about 220.5010480837.

It can be divided in two parts, 107 and 20918, that added together give a square (21025 = 145²).

The spelling of 10720918 in words is "ten million, seven hundred twenty thousand, nine hundred eighteen".