71034075 has 108 divisors (see below), whose sum is σ = 157121640. Its totient is φ = 30481920.

The previous prime is 71034071. The next prime is 71034077. The reversal of 71034075 is 57043017.

It is not a de Polignac number, because 71034075 - 2² = 71034071 is a prime.

It is a super-2 number, since 2×71034075² = 10091679622211250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71034071) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 187236 + ... + 187614.

It is an arithmetic number, because the mean of its divisors is an integer number (1454830).

Almost surely, 2^71034075 is an apocalyptic number.

71034075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71034075 is an abundant number, since it is smaller than the sum of its proper divisors (86087565).

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

71034075 is a wasteful number, since it uses less digits than its factorization.

71034075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 71034075 is about 8428.1715098828. The cubic root of 71034075 is about 414.1480077115.

The spelling of 71034075 in words is "seventy-one million, thirty-four thousand, seventy-five".