71941774 has 4 divisors (see below), whose sum is σ = 107912664. Its totient is φ = 35970886.

The previous prime is 71941747. The next prime is 71941781. The reversal of 71941774 is 47714917.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17985442 + ... + 17985445.

It is an arithmetic number, because the mean of its divisors is an integer number (26978166).

Almost surely, 2^71941774 is an apocalyptic number.

71941774 is a deficient number, since it is larger than the sum of its proper divisors (35970890).

71941774 is a wasteful number, since it uses less digits than its factorization.

71941774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35970889.

The product of its digits is 49392, while the sum is 40.

The square root of 71941774 is about 8481.8496803469. The cubic root of 71941774 is about 415.9045908847.

The spelling of 71941774 in words is "seventy-one million, nine hundred forty-one thousand, seven hundred seventy-four".