106772731 has 8 divisors (see below), whose sum is σ = 115827264. Its totient is φ = 97838400.

The previous prime is 106772719. The next prime is 106772737. The reversal of 106772731 is 137277601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106772731 is a prime.

It is a super-2 number, since 2×106772731² = 22800832170396722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106772737) 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 7 ways as a sum of consecutive naturals, for example, 28195 + ... + 31756.

It is an arithmetic number, because the mean of its divisors is an integer number (14478408).

Almost surely, 2^106772731 is an apocalyptic number.

106772731 is a deficient number, since it is larger than the sum of its proper divisors (9054533).

106772731 is a wasteful number, since it uses less digits than its factorization.

106772731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60101.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 106772731 is about 10333.0891315231. The cubic root of 106772731 is about 474.4095799916.

The spelling of 106772731 in words is "one hundred six million, seven hundred seventy-two thousand, seven hundred thirty-one".