105674729 has 4 divisors (see below), whose sum is σ = 105994320. Its totient is φ = 105355140.

The previous prime is 105674717. The next prime is 105674741. The reversal of 105674729 is 927476501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 927476501 = 7 ⋅132496643.

It is an interprime number because it is at equal distance from previous prime (105674717) and next prime (105674741).

It is a cyclic number.

It is not a de Polignac number, because 105674729 - 2¹⁶ = 105609193 is a prime.

It is a super-2 number, since 2×105674729² = 22334296698446882, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105674749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159299 + ... + 159960.

It is an arithmetic number, because the mean of its divisors is an integer number (26498580).

Almost surely, 2^105674729 is an apocalyptic number.

It is an amenable number.

105674729 is a deficient number, since it is larger than the sum of its proper divisors (319591).

105674729 is an equidigital number, since it uses as much as digits as its factorization.

105674729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319590.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 105674729 is about 10279.8214478657. The cubic root of 105674729 is about 472.7777697301. Note that the first 4 decimals are identical.

The spelling of 105674729 in words is "one hundred five million, six hundred seventy-four thousand, seven hundred twenty-nine".