105774390 has 32 divisors (see below), whose sum is σ = 282065760. Its totient is φ = 28206432.

The previous prime is 105774377. The next prime is 105774407. The reversal of 105774390 is 93477501.

It is a happy number.

It is a super-2 number, since 2×105774390² = 22376443159744200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195609 + ... + 196148.

It is an arithmetic number, because the mean of its divisors is an integer number (8814555).

Almost surely, 2^105774390 is an apocalyptic number.

105774390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105774390 is an abundant number, since it is smaller than the sum of its proper divisors (176291370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105774390 is a wasteful number, since it uses less digits than its factorization.

105774390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391773 (or 391767 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 105774390 is about 10284.6677146129. The cubic root of 105774390 is about 472.9263473559.

The spelling of 105774390 in words is "one hundred five million, seven hundred seventy-four thousand, three hundred ninety".