71051337 has 20 divisors (see below), whose sum is σ = 121302016. Its totient is φ = 40600440.

The previous prime is 71051329. The next prime is 71051339. The reversal of 71051337 is 73315017.

It is not a de Polignac number, because 71051337 - 2³ = 71051329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71051337.

It is not an unprimeable number, because it can be changed into a prime (71051339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62089 + ... + 63222.

Almost surely, 2^71051337 is an apocalyptic number.

It is an amenable number.

71051337 is a deficient number, since it is larger than the sum of its proper divisors (50250679).

71051337 is a wasteful number, since it uses less digits than its factorization.

71051337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125330 (or 125321 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 71051337 is about 8429.1955132148. The cubic root of 71051337 is about 414.1815523819.

The spelling of 71051337 in words is "seventy-one million, fifty-one thousand, three hundred thirty-seven".