72650106 has 12 divisors (see below), whose sum is σ = 157408602. Its totient is φ = 24216696.

The previous prime is 72650093. The next prime is 72650107. The reversal of 72650106 is 60105627.

72650106 is a `hidden beast` number, since 7 + 2 + 650 + 1 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36542025 + 36108081 = 6045^2 + 6009^2 .

It is a super-2 number, since 2×72650106² = 10556075803622472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 72650106.

It is not an unprimeable number, because it can be changed into a prime (72650107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2018041 + ... + 2018076.

Almost surely, 2^72650106 is an apocalyptic number.

72650106 is an abundant number, since it is smaller than the sum of its proper divisors (84758496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72650106 is a wasteful number, since it uses less digits than its factorization.

72650106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036125 (or 4036122 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 72650106 is about 8523.5031530469. The cubic root of 72650106 is about 417.2651213311.

The spelling of 72650106 in words is "seventy-two million, six hundred fifty thousand, one hundred six".