71834135 has 4 divisors (see below), whose sum is σ = 86200968. Its totient is φ = 57467304.

The previous prime is 71834111. The next prime is 71834137. The reversal of 71834135 is 53143817.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53143817 = 19 ⋅2797043.

It is a cyclic number.

It is not a de Polignac number, because 71834135 - 2⁶ = 71834071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71834137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7183409 + ... + 7183418.

It is an arithmetic number, because the mean of its divisors is an integer number (21550242).

Almost surely, 2^71834135 is an apocalyptic number.

71834135 is a deficient number, since it is larger than the sum of its proper divisors (14366833).

71834135 is a wasteful number, since it uses less digits than its factorization.

71834135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14366832.

The product of its digits is 10080, while the sum is 32.

The square root of 71834135 is about 8475.5020500263. The cubic root of 71834135 is about 415.6970624102.

The spelling of 71834135 in words is "seventy-one million, eight hundred thirty-four thousand, one hundred thirty-five".