105974493 has 4 divisors (see below), whose sum is σ = 141299328. Its totient is φ = 70649660.

The previous prime is 105974467. The next prime is 105974509. The reversal of 105974493 is 394479501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105974493 - 2⁹ = 105973981 is a prime.

It is a super-2 number, since 2×105974493² = 22461186333214098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105979493) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17662413 + ... + 17662418.

It is an arithmetic number, because the mean of its divisors is an integer number (35324832).

Almost surely, 2^105974493 is an apocalyptic number.

It is an amenable number.

105974493 is a deficient number, since it is larger than the sum of its proper divisors (35324835).

105974493 is an equidigital number, since it uses as much as digits as its factorization.

105974493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35324834.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 105974493 is about 10294.3913370340. The cubic root of 105974493 is about 473.2243853706.

The spelling of 105974493 in words is "one hundred five million, nine hundred seventy-four thousand, four hundred ninety-three".