71373087 has 12 divisors (see below), whose sum is σ = 105609504. Its totient is φ = 46421280.

The previous prime is 71373083. The next prime is 71373121. The reversal of 71373087 is 78037317.

It is a happy number.

It is not a de Polignac number, because 71373087 - 2² = 71373083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71373083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96343 + ... + 97080.

It is an arithmetic number, because the mean of its divisors is an integer number (8800792).

Almost surely, 2^71373087 is an apocalyptic number.

71373087 is a deficient number, since it is larger than the sum of its proper divisors (34236417).

71373087 is a wasteful number, since it uses less digits than its factorization.

71373087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193470 (or 193467 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 71373087 is about 8448.2594065287. The cubic root of 71373087 is about 414.8058064682.

The spelling of 71373087 in words is "seventy-one million, three hundred seventy-three thousand, eighty-seven".