70675681 has 8 divisors (see below), whose sum is σ = 74922624. Its totient is φ = 66438720.

The previous prime is 70675673. The next prime is 70675721. The reversal of 70675681 is 18657607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70675681 - 2³ = 70675673 is a prime.

It is a super-2 number, since 2×70675681² = 9990103769627522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70675621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16116 + ... + 20026.

It is an arithmetic number, because the mean of its divisors is an integer number (9365328).

Almost surely, 2^70675681 is an apocalyptic number.

It is an amenable number.

70675681 is a deficient number, since it is larger than the sum of its proper divisors (4246943).

70675681 is a wasteful number, since it uses less digits than its factorization.

70675681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 70675681 is about 8406.8829538658. The cubic root of 70675681 is about 413.4503214781.

The spelling of 70675681 in words is "seventy million, six hundred seventy-five thousand, six hundred eighty-one".