71375751 has 12 divisors (see below), whose sum is σ = 105292512. Its totient is φ = 46571136.

The previous prime is 71375749. The next prime is 71375771. The reversal of 71375751 is 15757317.

It is a happy number.

It is not a de Polignac number, because 71375751 - 2¹ = 71375749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71375771) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 83946 + ... + 84791.

It is an arithmetic number, because the mean of its divisors is an integer number (8774376).

Almost surely, 2^71375751 is an apocalyptic number.

71375751 is a deficient number, since it is larger than the sum of its proper divisors (33916761).

71375751 is a wasteful number, since it uses less digits than its factorization.

71375751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168790 (or 168787 counting only the distinct ones).

The product of its digits is 25725, while the sum is 36.

The square root of 71375751 is about 8448.4170706707. The cubic root of 71375751 is about 414.8109672787.

The spelling of 71375751 in words is "seventy-one million, three hundred seventy-five thousand, seven hundred fifty-one".