71534306 has 8 divisors (see below), whose sum is σ = 108771564. Its totient is φ = 35277120.

The previous prime is 71534303. The next prime is 71534321. The reversal of 71534306 is 60343517.

It can be written as a sum of positive squares in 2 ways, for example, as 68145025 + 3389281 = 8255^2 + 1841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71534303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244835 + ... + 245126.

Almost surely, 2^71534306 is an apocalyptic number.

71534306 is a deficient number, since it is larger than the sum of its proper divisors (37237258).

71534306 is a wasteful number, since it uses less digits than its factorization.

71534306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490036.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 71534306 is about 8457.7955756805. The cubic root of 71534306 is about 415.1178955700.

The spelling of 71534306 in words is "seventy-one million, five hundred thirty-four thousand, three hundred six".