106722840 has 64 divisors (see below), whose sum is σ = 365909760. Its totient is φ = 24393600.

The previous prime is 106722827. The next prime is 106722841. The reversal of 106722840 is 48227601.

It is a super-2 number, since 2×106722840² = 22779529155331200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 106722798 and 106722807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106722841) 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, 62686 + ... + 64365.

It is an arithmetic number, because the mean of its divisors is an integer number (5717340).

Almost surely, 2^106722840 is an apocalyptic number.

106722840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106722840 is an abundant number, since it is smaller than the sum of its proper divisors (259186920).

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

106722840 is a wasteful number, since it uses less digits than its factorization.

106722840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127072 (or 127068 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 106722840 is about 10330.6747117504. The cubic root of 106722840 is about 474.3356770528.

The spelling of 106722840 in words is "one hundred six million, seven hundred twenty-two thousand, eight hundred forty".