79171434 has 24 divisors (see below), whose sum is σ = 171860832. Its totient is φ = 26340840.

The previous prime is 79171429. The next prime is 79171439. The reversal of 79171434 is 43417197.

It is an interprime number because it is at equal distance from previous prime (79171429) and next prime (79171439).

It is not an unprimeable number, because it can be changed into a prime (79171439) 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 11 ways as a sum of consecutive naturals, for example, 6427 + ... + 14129.

It is an arithmetic number, because the mean of its divisors is an integer number (7160868).

Almost surely, 2^79171434 is an apocalyptic number.

79171434 is an abundant number, since it is smaller than the sum of its proper divisors (92689398).

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

79171434 is a wasteful number, since it uses less digits than its factorization.

79171434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282 (or 8279 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 79171434 is about 8897.8331069986. The cubic root of 79171434 is about 429.3941964937.

The spelling of 79171434 in words is "seventy-nine million, one hundred seventy-one thousand, four hundred thirty-four".