89070681 has 24 divisors (see below), whose sum is σ = 138534624. Its totient is φ = 50756160.

The previous prime is 89070679. The next prime is 89070721. The reversal of 89070681 is 18607098.

It is not a de Polignac number, because 89070681 - 2¹ = 89070679 is a prime.

It is a super-2 number, since 2×89070681² = 15867172427607522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89070481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76006 + ... + 77168.

It is an arithmetic number, because the mean of its divisors is an integer number (5772276).

Almost surely, 2^89070681 is an apocalyptic number.

It is an amenable number.

89070681 is a deficient number, since it is larger than the sum of its proper divisors (49463943).

89070681 is a wasteful number, since it uses less digits than its factorization.

89070681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 89070681 is about 9437.7264741038. The cubic root of 89070681 is about 446.5926702872.

The spelling of 89070681 in words is "eighty-nine million, seventy thousand, six hundred eighty-one".