105746621 has 4 divisors (see below), whose sum is σ = 105844992. Its totient is φ = 105648252.

The previous prime is 105746591. The next prime is 105746623. The reversal of 105746621 is 126647501.

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: 126647501 = 17 ⋅7449853.

It is a cyclic number.

It is not a de Polignac number, because 105746621 - 2²² = 101552317 is a prime.

It is a super-2 number, since 2×105746621² = 22364695705835282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105746623) 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, 47555 + ... + 49728.

It is an arithmetic number, because the mean of its divisors is an integer number (26461248).

Almost surely, 2^105746621 is an apocalyptic number.

It is an amenable number.

105746621 is a deficient number, since it is larger than the sum of its proper divisors (98371).

105746621 is an equidigital number, since it uses as much as digits as its factorization.

105746621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98370.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 105746621 is about 10283.3176066871. The cubic root of 105746621 is about 472.8849578754.

The spelling of 105746621 in words is "one hundred five million, seven hundred forty-six thousand, six hundred twenty-one".