105372690 has 32 divisors (see below), whose sum is σ = 253229760. Its totient is φ = 28062144.

The previous prime is 105372679. The next prime is 105372691. The reversal of 105372690 is 96273501.

It is a super-2 number, since 2×105372690² = 22206807595672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105372691) 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 15 ways as a sum of consecutive naturals, for example, 26556 + ... + 30264.

It is an arithmetic number, because the mean of its divisors is an integer number (7913430).

Almost surely, 2^105372690 is an apocalyptic number.

105372690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105372690 is an abundant number, since it is smaller than the sum of its proper divisors (147857070).

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

105372690 is a wasteful number, since it uses less digits than its factorization.

105372690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 105372690 is about 10265.1200674907. The cubic root of 105372690 is about 472.3269095288.

The spelling of 105372690 in words is "one hundred five million, three hundred seventy-two thousand, six hundred ninety".