71337401 has 2 divisors, whose sum is σ = 71337402. Its totient is φ = 71337400.

The previous prime is 71337397. The next prime is 71337403. The reversal of 71337401 is 10473317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39075001 + 32262400 = 6251^2 + 5680^2 .

It is an emirp because it is prime and its reverse (10473317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71337401 - 2² = 71337397 is a prime.

Together with 71337403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71337403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35668700 + 35668701.

It is an arithmetic number, because the mean of its divisors is an integer number (35668701).

Almost surely, 2^71337401 is an apocalyptic number.

It is an amenable number.

71337401 is a deficient number, since it is larger than the sum of its proper divisors (1).

71337401 is an equidigital number, since it uses as much as digits as its factorization.

71337401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 71337401 is about 8446.1471097773. The cubic root of 71337401 is about 414.7366616948.

The spelling of 71337401 in words is "seventy-one million, three hundred thirty-seven thousand, four hundred one".