105404274 has 32 divisors (see below), whose sum is σ = 236658240. Its totient is φ = 34770816.

The previous prime is 105404263. The next prime is 105404287. The reversal of 105404274 is 472404501.

105404274 is a `hidden beast` number, since 10 + 540 + 42 + 74 = 666.

It is a super-2 number, since 2×105404274² = 22220121954934152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4824 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (7395570).

Almost surely, 2^105404274 is an apocalyptic number.

105404274 is an abundant number, since it is smaller than the sum of its proper divisors (131253966).

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

105404274 is a wasteful number, since it uses less digits than its factorization.

105404274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20231 (or 20225 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 105404274 is about 10266.6583657975. The cubic root of 105404274 is about 472.3740959578.

Adding to 105404274 its reverse (472404501), we get a palindrome (577808775).

The spelling of 105404274 in words is "one hundred five million, four hundred four thousand, two hundred seventy-four".