106572946 has 4 divisors (see below), whose sum is σ = 159859422. Its totient is φ = 53286472.

The previous prime is 106572937. The next prime is 106572959. The reversal of 106572946 is 649275601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102921025 + 3651921 = 10145^2 + 1911^2 .

It is a super-2 number, since 2×106572946² = 22715585638237832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 106572899 and 106572908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26643235 + ... + 26643238.

Almost surely, 2^106572946 is an apocalyptic number.

106572946 is a deficient number, since it is larger than the sum of its proper divisors (53286476).

106572946 is an equidigital number, since it uses as much as digits as its factorization.

106572946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53286475.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 106572946 is about 10323.4173605449. The cubic root of 106572946 is about 474.1135022273.

The spelling of 106572946 in words is "one hundred six million, five hundred seventy-two thousand, nine hundred forty-six".