79361872 has 10 divisors (see below), whose sum is σ = 153763658. Its totient is φ = 39680928.

The previous prime is 79361869. The next prime is 79361873. The reversal of 79361872 is 27816397.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79281216 + 80656 = 8904^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79361873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480043 + ... + 2480074.

Almost surely, 2^79361872 is an apocalyptic number.

It is an amenable number.

79361872 is a deficient number, since it is larger than the sum of its proper divisors (74401786).

79361872 is a wasteful number, since it uses less digits than its factorization.

79361872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960125 (or 4960119 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 79361872 is about 8908.5280490101. The cubic root of 79361872 is about 429.7382073324.

The spelling of 79361872 in words is "seventy-nine million, three hundred sixty-one thousand, eight hundred seventy-two".