106334721 has 16 divisors (see below), whose sum is σ = 157893120. Its totient is φ = 70727760.

The previous prime is 106334717. The next prime is 106334729. The reversal of 106334721 is 127433601.

106334721 is a `hidden beast` number, since 1 + 0 + 633 + 4 + 7 + 21 = 666.

It is not a de Polignac number, because 106334721 - 2² = 106334717 is a prime.

It is a super-2 number, since 2×106334721² = 22614145780295682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (106334729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8176 + ... + 16718.

It is an arithmetic number, because the mean of its divisors is an integer number (9868320).

Almost surely, 2^106334721 is an apocalyptic number.

It is an amenable number.

106334721 is a deficient number, since it is larger than the sum of its proper divisors (51558399).

106334721 is an equidigital number, since it uses as much as digits as its factorization.

106334721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013 (or 9007 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 106334721 is about 10311.8728172917. The cubic root of 106334721 is about 473.7599730103.

The spelling of 106334721 in words is "one hundred six million, three hundred thirty-four thousand, seven hundred twenty-one".