70487 has 2 divisors, whose sum is σ = 70488. Its totient is φ = 70486.

The previous prime is 70481. The next prime is 70489. The reversal of 70487 is 78407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70487 - 2⁶ = 70423 is a prime.

Together with 70489, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35243 + 35244.

It is an arithmetic number, because the mean of its divisors is an integer number (35244).

2⁷⁰⁴⁸⁷ is an apocalyptic number.

70487 is a deficient number, since it is larger than the sum of its proper divisors (1).

70487 is an equidigital number, since it uses as much as digits as its factorization.

70487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 70487 is about 265.4938794021. The cubic root of 70487 is about 41.3082067774.

The spelling of 70487 in words is "seventy thousand, four hundred eighty-seven".