94170081 has 4 divisors (see below), whose sum is σ = 125560112. Its totient is φ = 62780052.

The previous prime is 94170079. The next prime is 94170091. The reversal of 94170081 is 18007149.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18007149 = 3 ⋅6002383.

It is not a de Polignac number, because 94170081 - 2¹ = 94170079 is a prime.

It is a super-2 number, since 2×94170081² = 17736008311093122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94170091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15695011 + ... + 15695016.

It is an arithmetic number, because the mean of its divisors is an integer number (31390028).

Almost surely, 2^94170081 is an apocalyptic number.

It is an amenable number.

94170081 is a deficient number, since it is larger than the sum of its proper divisors (31390031).

94170081 is a wasteful number, since it uses less digits than its factorization.

94170081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31390030.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 94170081 is about 9704.1270086495. The cubic root of 94170081 is about 454.9576597883.

The spelling of 94170081 in words is "ninety-four million, one hundred seventy thousand, eighty-one".