71098379 has 4 divisors (see below), whose sum is σ = 77561880. Its totient is φ = 64634880.

The previous prime is 71098351. The next prime is 71098409. The reversal of 71098379 is 97389017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97389017 = 11 ⋅8853547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71098379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71098309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231734 + ... + 3231755.

It is an arithmetic number, because the mean of its divisors is an integer number (19390470).

Almost surely, 2^71098379 is an apocalyptic number.

71098379 is a deficient number, since it is larger than the sum of its proper divisors (6463501).

71098379 is a wasteful number, since it uses less digits than its factorization.

71098379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463500.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 71098379 is about 8431.9854719989. The cubic root of 71098379 is about 414.2729399662.

The spelling of 71098379 in words is "seventy-one million, ninety-eight thousand, three hundred seventy-nine".