69494081 has 4 divisors (see below), whose sum is σ = 69526464. Its totient is φ = 69461700.

The previous prime is 69494071. The next prime is 69494099. The reversal of 69494081 is 18049496.

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.

It is a cyclic number.

It is not a de Polignac number, because 69494081 - 2¹⁴ = 69477697 is a prime.

It is a super-2 number, since 2×69494081² = 9658854588069122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69494071) 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, 12725 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (17381616).

Almost surely, 2^69494081 is an apocalyptic number.

It is an amenable number.

69494081 is a deficient number, since it is larger than the sum of its proper divisors (32383).

69494081 is a wasteful number, since it uses less digits than its factorization.

69494081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32382.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 69494081 is about 8336.3109946786. The cubic root of 69494081 is about 411.1332538164.

The spelling of 69494081 in words is "sixty-nine million, four hundred ninety-four thousand, eighty-one".