106726645 has 32 divisors (see below), whose sum is σ = 137871360. Its totient is φ = 79168320.

The previous prime is 106726639. The next prime is 106726661. The reversal of 106726645 is 546627601.

It is a happy number.

It is not a de Polignac number, because 106726645 - 2⁹ = 106726133 is a prime.

It is a super-2 number, since 2×106726645² = 22781153505912050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446436 + ... + 446674.

It is an arithmetic number, because the mean of its divisors is an integer number (4308480).

Almost surely, 2^106726645 is an apocalyptic number.

It is an amenable number.

106726645 is a deficient number, since it is larger than the sum of its proper divisors (31144715).

106726645 is a wasteful number, since it uses less digits than its factorization.

106726645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 106726645 is about 10330.8588703941. The cubic root of 106726645 is about 474.3413141647.

The spelling of 106726645 in words is "one hundred six million, seven hundred twenty-six thousand, six hundred forty-five".