89472681 has 15 divisors (see below), whose sum is σ = 133784013. Its totient is φ = 59591700.

The previous prime is 89472667. The next prime is 89472689. The reversal of 89472681 is 18627498.

The square root of 89472681 is 9459.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 89472681 - 2¹⁵ = 89439913 is a prime.

It is a super-2 number, since 2×89472681² = 16010721290655522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89472689) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 84606 + ... + 85656.

Almost surely, 2^89472681 is an apocalyptic number.

89472681 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

89472681 is the 9459-th square number.

89472681 is the 4730-th centered octagonal number.

It is an amenable number.

89472681 is a deficient number, since it is larger than the sum of its proper divisors (44311332).

89472681 is an frugal number, since it uses more digits than its factorization.

89472681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 1054 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The cubic root of 89472681 is about 447.2635264250.

It can be divided in two parts, 8947 and 2681, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 89472681 in words is "eighty-nine million, four hundred seventy-two thousand, six hundred eighty-one".