70275681 has 40 divisors (see below), whose sum is σ = 122943744. Its totient is φ = 39165120.

The previous prime is 70275659. The next prime is 70275703. The reversal of 70275681 is 18657207.

70275681 is a `hidden beast` number, since 70 + 27 + 568 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (70275659) and next prime (70275703).

It is not a de Polignac number, because 70275681 - 2⁷ = 70275553 is a prime.

It is a super-2 number, since 2×70275681² = 9877342680027522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70275641) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21736 + ... + 24758.

Almost surely, 2^70275681 is an apocalyptic number.

It is an amenable number.

70275681 is a deficient number, since it is larger than the sum of its proper divisors (52668063).

70275681 is a wasteful number, since it uses less digits than its factorization.

70275681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 70275681 is about 8383.0591671537. The cubic root of 70275681 is about 412.6688498830.

The spelling of 70275681 in words is "seventy million, two hundred seventy-five thousand, six hundred eighty-one".