79672266 has 48 divisors (see below), whose sum is σ = 178967880. Its totient is φ = 25597440.

The previous prime is 79672261. The next prime is 79672277. The reversal of 79672266 is 66227697.

It can be written as a sum of positive squares in 4 ways, for example, as 14402025 + 65270241 = 3795^2 + 8079^2 .

It is not an unprimeable number, because it can be changed into a prime (79672261) 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 23 ways as a sum of consecutive naturals, for example, 65076 + ... + 66288.

Almost surely, 2^79672266 is an apocalyptic number.

79672266 is an abundant number, since it is smaller than the sum of its proper divisors (99295614).

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

79672266 is a wasteful number, since it uses less digits than its factorization.

79672266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1348 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 79672266 is about 8925.9322202222. The cubic root of 79672266 is about 430.2977314275.

The spelling of 79672266 in words is "seventy-nine million, six hundred seventy-two thousand, two hundred sixty-six".