79072102 has 4 divisors (see below), whose sum is σ = 118608156. Its totient is φ = 39536050.

The previous prime is 79072093. The next prime is 79072111. The reversal of 79072102 is 20127097.

It is a happy number.

79072102 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20127097 = 277 ⋅72661.

It is an interprime number because it is at equal distance from previous prime (79072093) and next prime (79072111).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19768024 + ... + 19768027.

It is an arithmetic number, because the mean of its divisors is an integer number (29652039).

Almost surely, 2^79072102 is an apocalyptic number.

79072102 is a deficient number, since it is larger than the sum of its proper divisors (39536054).

79072102 is a wasteful number, since it uses less digits than its factorization.

79072102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39536053.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 79072102 is about 8892.2495466558. The cubic root of 79072102 is about 429.2145423240.

Adding to 79072102 its reverse (20127097), we get a palindrome (99199199).

The spelling of 79072102 in words is "seventy-nine million, seventy-two thousand, one hundred two".