71438498 has 8 divisors (see below), whose sum is σ = 108974160. Its totient is φ = 35113780.

The previous prime is 71438429. The next prime is 71438531. The reversal of 71438498 is 89483417.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302588 + ... + 302823.

It is an arithmetic number, because the mean of its divisors is an integer number (13621770).

Almost surely, 2^71438498 is an apocalyptic number.

71438498 is a deficient number, since it is larger than the sum of its proper divisors (37535662).

71438498 is a wasteful number, since it uses less digits than its factorization.

71438498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605472.

The product of its digits is 193536, while the sum is 44.

The square root of 71438498 is about 8452.1297907687. The cubic root of 71438498 is about 414.9324862350.

The spelling of 71438498 in words is "seventy-one million, four hundred thirty-eight thousand, four hundred ninety-eight".