71268983 has 2 divisors, whose sum is σ = 71268984. Its totient is φ = 71268982.

The previous prime is 71268961. The next prime is 71268997. The reversal of 71268983 is 38986217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71268983 - 2²⁶ = 4160119 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71268683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35634491 + 35634492.

It is an arithmetic number, because the mean of its divisors is an integer number (35634492).

Almost surely, 2^71268983 is an apocalyptic number.

71268983 is a deficient number, since it is larger than the sum of its proper divisors (1).

71268983 is an equidigital number, since it uses as much as digits as its factorization.

71268983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 71268983 is about 8442.0958890550. The cubic root of 71268983 is about 414.6040312711.

The spelling of 71268983 in words is "seventy-one million, two hundred sixty-eight thousand, nine hundred eighty-three".