105720814 has 8 divisors (see below), whose sum is σ = 158624928. Its totient is φ = 52845840.

The previous prime is 105720809. The next prime is 105720821. The reversal of 105720814 is 418027501.

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

It is a super-2 number, since 2×105720814² = 22353781025645192, 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, 9819 + ... + 17545.

It is an arithmetic number, because the mean of its divisors is an integer number (19828116).

Almost surely, 2^105720814 is an apocalyptic number.

105720814 is a deficient number, since it is larger than the sum of its proper divisors (52904114).

105720814 is an equidigital number, since it uses as much as digits as its factorization.

105720814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14570.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 105720814 is about 10282.0627307948. The cubic root of 105720814 is about 472.8464862442.

The spelling of 105720814 in words is "one hundred five million, seven hundred twenty thousand, eight hundred fourteen".