71380798 has 4 divisors (see below), whose sum is σ = 107071200. Its totient is φ = 35690398.

The previous prime is 71380781. The next prime is 71380801. The reversal of 71380798 is 89708317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89708317 = 271 ⋅331027.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17845198 + ... + 17845201.

It is an arithmetic number, because the mean of its divisors is an integer number (26767800).

Almost surely, 2^71380798 is an apocalyptic number.

71380798 is a deficient number, since it is larger than the sum of its proper divisors (35690402).

71380798 is a wasteful number, since it uses less digits than its factorization.

71380798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35690401.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 71380798 is about 8448.7157603981. The cubic root of 71380798 is about 414.8207441827.

The spelling of 71380798 in words is "seventy-one million, three hundred eighty thousand, seven hundred ninety-eight".