105727942 has 4 divisors (see below), whose sum is σ = 158591916. Its totient is φ = 52863970.

The previous prime is 105727933. The next prime is 105727967. The reversal of 105727942 is 249727501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105727942² = 22356795439110728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26431984 + ... + 26431987.

It is an arithmetic number, because the mean of its divisors is an integer number (39647979).

Almost surely, 2^105727942 is an apocalyptic number.

105727942 is a deficient number, since it is larger than the sum of its proper divisors (52863974).

105727942 is an equidigital number, since it uses as much as digits as its factorization.

105727942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52863973.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 105727942 is about 10282.4093480079. The cubic root of 105727942 is about 472.8571128934.

The spelling of 105727942 in words is "one hundred five million, seven hundred twenty-seven thousand, nine hundred forty-two".