71230775 has 24 divisors (see below), whose sum is σ = 110123904. Its totient is φ = 44402400.

The previous prime is 71230769. The next prime is 71230787. The reversal of 71230775 is 57703217.

It is not a de Polignac number, because 71230775 - 2¹² = 71226679 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16577 + ... + 20426.

It is an arithmetic number, because the mean of its divisors is an integer number (4588496).

Almost surely, 2^71230775 is an apocalyptic number.

71230775 is a deficient number, since it is larger than the sum of its proper divisors (38893129).

71230775 is a wasteful number, since it uses less digits than its factorization.

71230775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37031 (or 37026 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 71230775 is about 8439.8326405208. The cubic root of 71230775 is about 414.5299269325.

The spelling of 71230775 in words is "seventy-one million, two hundred thirty thousand, seven hundred seventy-five".