71084379 has 8 divisors (see below), whose sum is σ = 94842640. Its totient is φ = 47357856.

The previous prime is 71084371. The next prime is 71084381. The reversal of 71084379 is 97348017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71084379 - 2³ = 71084371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71084371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (11855330).

Almost surely, 2^71084379 is an apocalyptic number.

71084379 is a deficient number, since it is larger than the sum of its proper divisors (23758261).

71084379 is a wasteful number, since it uses less digits than its factorization.

71084379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15869.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 71084379 is about 8431.1552589191. The cubic root of 71084379 is about 414.2457466511.

The spelling of 71084379 in words is "seventy-one million, eighty-four thousand, three hundred seventy-nine".