106726643 has 8 divisors (see below), whose sum is σ = 108108000. Its totient is φ = 105352128.

The previous prime is 106726639. The next prime is 106726661. The reversal of 106726643 is 346627601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106726643 - 2² = 106726639 is a prime.

It is a super-2 number, since 2×106726643² = 22781152652098898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106726603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34463 + ... + 37431.

It is an arithmetic number, because the mean of its divisors is an integer number (13513500).

Almost surely, 2^106726643 is an apocalyptic number.

106726643 is a deficient number, since it is larger than the sum of its proper divisors (1381357).

106726643 is a wasteful number, since it uses less digits than its factorization.

106726643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 106726643 is about 10330.8587735967. The cubic root of 106726643 is about 474.3413112018.

The spelling of 106726643 in words is "one hundred six million, seven hundred twenty-six thousand, six hundred forty-three".