71434522 has 4 divisors (see below), whose sum is σ = 107151786. Its totient is φ = 35717260.

The previous prime is 71434499. The next prime is 71434537. The reversal of 71434522 is 22543417.

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., 71250481 + 184041 = 8441^2 + 429^2 .

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 as a sum of consecutive naturals, namely, 17858629 + ... + 17858632.

Almost surely, 2^71434522 is an apocalyptic number.

71434522 is a deficient number, since it is larger than the sum of its proper divisors (35717264).

71434522 is a wasteful number, since it uses less digits than its factorization.

71434522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35717263.

The product of its digits is 6720, while the sum is 28.

The square root of 71434522 is about 8451.8945805068. The cubic root of 71434522 is about 414.9247882280.

Adding to 71434522 its reverse (22543417), we get a palindrome (93977939).

The spelling of 71434522 in words is "seventy-one million, four hundred thirty-four thousand, five hundred twenty-two".