71534075 has 6 divisors (see below), whose sum is σ = 88702284. Its totient is φ = 57227240.

The previous prime is 71534063. The next prime is 71534077. The reversal of 71534075 is 57043517.

It is a de Polignac number, because none of the positive numbers 2^k-71534075 is a prime.

It is a super-2 number, since 2×71534075² = 10234247772211250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71534077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1430657 + ... + 1430706.

It is an arithmetic number, because the mean of its divisors is an integer number (14783714).

Almost surely, 2^71534075 is an apocalyptic number.

71534075 is a deficient number, since it is larger than the sum of its proper divisors (17168209).

71534075 is a wasteful number, since it uses less digits than its factorization.

71534075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861373 (or 2861368 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 71534075 is about 8457.7819196288. The cubic root of 71534075 is about 415.1174487339.

The spelling of 71534075 in words is "seventy-one million, five hundred thirty-four thousand, seventy-five".