71879130 has 64 divisors (see below), whose sum is σ = 195333120. Its totient is φ = 18802368.

The previous prime is 71879113. The next prime is 71879189. The reversal of 71879130 is 3197817.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11799 + ... + 16821.

It is an arithmetic number, because the mean of its divisors is an integer number (3052080).

Almost surely, 2^71879130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71879130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97666560).

71879130 is an abundant number, since it is smaller than the sum of its proper divisors (123453990).

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

71879130 is a wasteful number, since it uses less digits than its factorization.

71879130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092 (or 5086 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 71879130 is about 8478.1560495193. The cubic root of 71879130 is about 415.7838381721.

The spelling of 71879130 in words is "seventy-one million, eight hundred seventy-nine thousand, one hundred thirty".