71226037 has 2 divisors, whose sum is σ = 71226038. Its totient is φ = 71226036.

The previous prime is 71226013. The next prime is 71226049. The reversal of 71226037 is 73062217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53129521 + 18096516 = 7289^2 + 4254^2 .

It is a cyclic number.

It is not a de Polignac number, because 71226037 - 2¹⁹ = 70701749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71225996 and 71226014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71226007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35613018 + 35613019.

It is an arithmetic number, because the mean of its divisors is an integer number (35613019).

Almost surely, 2^71226037 is an apocalyptic number.

It is an amenable number.

71226037 is a deficient number, since it is larger than the sum of its proper divisors (1).

71226037 is an equidigital number, since it uses as much as digits as its factorization.

71226037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 71226037 is about 8439.5519430832. The cubic root of 71226037 is about 414.5207357445.

The spelling of 71226037 in words is "seventy-one million, two hundred twenty-six thousand, thirty-seven".