71406534 has 8 divisors (see below), whose sum is σ = 142813080. Its totient is φ = 23802176.

The previous prime is 71406527. The next prime is 71406563. The reversal of 71406534 is 43560417.

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

71406534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 5950539 + ... + 5950550.

It is an arithmetic number, because the mean of its divisors is an integer number (17851635).

Almost surely, 2^71406534 is an apocalyptic number.

71406534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71406534 is a wasteful number, since it uses less digits than its factorization.

71406534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11901094.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 71406534 is about 8450.2386948535. The cubic root of 71406534 is about 414.8705920605.

The spelling of 71406534 in words is "seventy-one million, four hundred six thousand, five hundred thirty-four".