71534522 has 4 divisors (see below), whose sum is σ = 107301786. Its totient is φ = 35767260.

The previous prime is 71534501. The next prime is 71534549. The reversal of 71534522 is 22543517.

It is a happy number.

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., 63856081 + 7678441 = 7991^2 + 2771^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17883629 + ... + 17883632.

Almost surely, 2^71534522 is an apocalyptic number.

71534522 is a deficient number, since it is larger than the sum of its proper divisors (35767264).

71534522 is a wasteful number, since it uses less digits than its factorization.

71534522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35767263.

The product of its digits is 8400, while the sum is 29.

The square root of 71534522 is about 8457.8083449556. The cubic root of 71534522 is about 415.1183133900.

The spelling of 71534522 in words is "seventy-one million, five hundred thirty-four thousand, five hundred twenty-two".