69426081 has 12 divisors (see below), whose sum is σ = 103517440. Its totient is φ = 44790840.

The previous prime is 69426061. The next prime is 69426083. The reversal of 69426081 is 18062496.

69426081 is a `hidden beast` number, since 6 + 9 + 42 + 608 + 1 = 666.

It is not a de Polignac number, because 69426081 - 2¹³ = 69417889 is a prime.

It is a super-2 number, since 2×69426081² = 9639961446037122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69426083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124141 + ... + 124698.

Almost surely, 2^69426081 is an apocalyptic number.

It is an amenable number.

69426081 is a deficient number, since it is larger than the sum of its proper divisors (34091359).

69426081 is a wasteful number, since it uses less digits than its factorization.

69426081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248876 (or 248873 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 69426081 is about 8332.2314538184. The cubic root of 69426081 is about 410.9991120090. Note that the first 3 decimals are identical.

The spelling of 69426081 in words is "sixty-nine million, four hundred twenty-six thousand, eighty-one".