106172493 has 32 divisors (see below), whose sum is σ = 166682880. Its totient is φ = 58851840.

The previous prime is 106172491. The next prime is 106172501. The reversal of 106172493 is 394271601.

It is not a de Polignac number, because 106172493 - 2¹ = 106172491 is a prime.

It is a super-2 number, since 2×106172493² = 22545196539670098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106172491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272743 + ... + 273131.

It is an arithmetic number, because the mean of its divisors is an integer number (5208840).

Almost surely, 2^106172493 is an apocalyptic number.

It is an amenable number.

106172493 is a deficient number, since it is larger than the sum of its proper divisors (60510387).

106172493 is a wasteful number, since it uses less digits than its factorization.

106172493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 106172493 is about 10304.0037364124. The cubic root of 106172493 is about 473.5189220765.

The spelling of 106172493 in words is "one hundred six million, one hundred seventy-two thousand, four hundred ninety-three".