108720435 has 16 divisors (see below), whose sum is σ = 174400416. Its totient is φ = 57835008.

The previous prime is 108720427. The next prime is 108720439. The reversal of 108720435 is 534027801.

It is not a de Polignac number, because 108720435 - 2³ = 108720427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108720439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174 + ... + 15083.

It is an arithmetic number, because the mean of its divisors is an integer number (10900026).

Almost surely, 2^108720435 is an apocalyptic number.

108720435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108720435 is a deficient number, since it is larger than the sum of its proper divisors (65679981).

108720435 is a wasteful number, since it uses less digits than its factorization.

108720435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18662.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 108720435 is about 10426.9091776998. The cubic root of 108720435 is about 477.2768764677.

The spelling of 108720435 in words is "one hundred eight million, seven hundred twenty thousand, four hundred thirty-five".