71061337 has 2 divisors, whose sum is σ = 71061338. Its totient is φ = 71061336.

The previous prime is 71061313. The next prime is 71061373. The reversal of 71061337 is 73316017.

Together with next prime (71061373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62394201 + 8667136 = 7899^2 + 2944^2 .

It is a cyclic number.

It is not a de Polignac number, because 71061337 - 2⁷ = 71061209 is a prime.

It is not a weakly prime, because it can be changed into another prime (71011337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35530668 + 35530669.

It is an arithmetic number, because the mean of its divisors is an integer number (35530669).

Almost surely, 2^71061337 is an apocalyptic number.

It is an amenable number.

71061337 is a deficient number, since it is larger than the sum of its proper divisors (1).

71061337 is an equidigital number, since it uses as much as digits as its factorization.

71061337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 71061337 is about 8429.7886687627. The cubic root of 71061337 is about 414.2009825639.

The spelling of 71061337 in words is "seventy-one million, sixty-one thousand, three hundred thirty-seven".