106783731 has 16 divisors (see below), whose sum is σ = 159119520. Its totient is φ = 70774560.

The previous prime is 106783717. The next prime is 106783741. The reversal of 106783731 is 137387601.

It is not a de Polignac number, because 106783731 - 2⁷ = 106783603 is a prime.

It is a super-2 number, since 2×106783731² = 22805530412560722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106783741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6760 + ... + 16101.

It is an arithmetic number, because the mean of its divisors is an integer number (9944970).

Almost surely, 2^106783731 is an apocalyptic number.

106783731 is a deficient number, since it is larger than the sum of its proper divisors (52335789).

106783731 is a wasteful number, since it uses less digits than its factorization.

106783731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23043 (or 23037 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 106783731 is about 10333.6213884582. The cubic root of 106783731 is about 474.4258710619.

The spelling of 106783731 in words is "one hundred six million, seven hundred eighty-three thousand, seven hundred thirty-one".