71274838 has 16 divisors (see below), whose sum is σ = 112013280. Its totient is φ = 33949696.

The previous prime is 71274823. The next prime is 71274857. The reversal of 71274838 is 83847217.

It is a self number, because there is not a number n which added to its sum of digits gives 71274838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8808 + ... + 14836.

It is an arithmetic number, because the mean of its divisors is an integer number (7000830).

Almost surely, 2^71274838 is an apocalyptic number.

71274838 is a deficient number, since it is larger than the sum of its proper divisors (40738442).

71274838 is a wasteful number, since it uses less digits than its factorization.

71274838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311.

The product of its digits is 75264, while the sum is 40.

The square root of 71274838 is about 8442.4426560090. The cubic root of 71274838 is about 414.6153846913.

The spelling of 71274838 in words is "seventy-one million, two hundred seventy-four thousand, eight hundred thirty-eight".