70585663 has 2 divisors, whose sum is σ = 70585664. Its totient is φ = 70585662.

The previous prime is 70585657. The next prime is 70585673. The reversal of 70585663 is 36658507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70585663 - 2¹⁷ = 70454591 is a prime.

It is a super-2 number, since 2×70585663² = 9964671642299138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70585673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35292831 + 35292832.

It is an arithmetic number, because the mean of its divisors is an integer number (35292832).

Almost surely, 2^70585663 is an apocalyptic number.

70585663 is a deficient number, since it is larger than the sum of its proper divisors (1).

70585663 is an equidigital number, since it uses as much as digits as its factorization.

70585663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 70585663 is about 8401.5274206539. The cubic root of 70585663 is about 413.2747128249.

It can be divided in two parts, 7058 and 5663, that added together give a palindrome (12721).

The spelling of 70585663 in words is "seventy million, five hundred eighty-five thousand, six hundred sixty-three".