106742397 has 8 divisors (see below), whose sum is σ = 143110240. Its totient is φ = 70768080.

The previous prime is 106742381. The next prime is 106742407. The reversal of 106742397 is 793247601.

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

It is not a de Polignac number, because 106742397 - 2⁴ = 106742381 is a prime.

It is a super-2 number, since 2×106742397² = 22787878634611218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106742327) 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, 97747 + ... + 98832.

It is an arithmetic number, because the mean of its divisors is an integer number (17888780).

Almost surely, 2^106742397 is an apocalyptic number.

It is an amenable number.

106742397 is a deficient number, since it is larger than the sum of its proper divisors (36367843).

106742397 is a wasteful number, since it uses less digits than its factorization.

106742397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196763.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 106742397 is about 10331.6212183761. The cubic root of 106742397 is about 474.3646493460.

Adding to 106742397 its reverse (793247601), we get a palindrome (899989998).

The spelling of 106742397 in words is "one hundred six million, seven hundred forty-two thousand, three hundred ninety-seven".