71268937 has 2 divisors, whose sum is σ = 71268938. Its totient is φ = 71268936.

The previous prime is 71268889. The next prime is 71268959. The reversal of 71268937 is 73986217.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70879561 + 389376 = 8419^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 71268937 - 2¹⁵ = 71236169 is a prime.

It is a super-2 number, since 2×71268937² = 10158522762219938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71268893 and 71268902.

It is not a weakly prime, because it can be changed into another prime (71268997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35634468 + 35634469.

It is an arithmetic number, because the mean of its divisors is an integer number (35634469).

Almost surely, 2^71268937 is an apocalyptic number.

It is an amenable number.

71268937 is a deficient number, since it is larger than the sum of its proper divisors (1).

71268937 is an equidigital number, since it uses as much as digits as its factorization.

71268937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 71268937 is about 8442.0931646127. The cubic root of 71268937 is about 414.6039420701.

The spelling of 71268937 in words is "seventy-one million, two hundred sixty-eight thousand, nine hundred thirty-seven".