105640750 has 16 divisors (see below), whose sum is σ = 197759952. Its totient is φ = 42256200.

The previous prime is 105640699. The next prime is 105640751. The reversal of 105640750 is 57046501.

It is a super-2 number, since 2×105640750² = 22319936121125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105640751) 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, 211032 + ... + 211531.

It is an arithmetic number, because the mean of its divisors is an integer number (12359997).

Almost surely, 2^105640750 is an apocalyptic number.

105640750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105640750 is a deficient number, since it is larger than the sum of its proper divisors (92119202).

105640750 is an equidigital number, since it uses as much as digits as its factorization.

105640750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422580 (or 422570 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 105640750 is about 10278.1686111875. The cubic root of 105640750 is about 472.7270914582.

The spelling of 105640750 in words is "one hundred five million, six hundred forty thousand, seven hundred fifty".