71233087 has 2 divisors, whose sum is σ = 71233088. Its totient is φ = 71233086.

The previous prime is 71233067. The next prime is 71233091. The reversal of 71233087 is 78033217.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71233087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71233027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35616543 + 35616544.

It is an arithmetic number, because the mean of its divisors is an integer number (35616544).

Almost surely, 2^71233087 is an apocalyptic number.

71233087 is a deficient number, since it is larger than the sum of its proper divisors (1).

71233087 is an equidigital number, since it uses as much as digits as its factorization.

71233087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 71233087 is about 8439.9696089500. The cubic root of 71233087 is about 414.5344118050.

The spelling of 71233087 in words is "seventy-one million, two hundred thirty-three thousand, eighty-seven".