71916122 has 4 divisors (see below), whose sum is σ = 107874186. Its totient is φ = 35958060.

The previous prime is 71916109. The next prime is 71916179. The reversal of 71916122 is 22161917.

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

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 21520321 = 7099^2 + 4639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17979029 + ... + 17979032.

Almost surely, 2^71916122 is an apocalyptic number.

71916122 is a deficient number, since it is larger than the sum of its proper divisors (35958064).

71916122 is a wasteful number, since it uses less digits than its factorization.

71916122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35958063.

The product of its digits is 1512, while the sum is 29.

The square root of 71916122 is about 8480.3373753643. The cubic root of 71916122 is about 415.8551525113.

The spelling of 71916122 in words is "seventy-one million, nine hundred sixteen thousand, one hundred twenty-two".