69435081 has 12 divisors (see below), whose sum is σ = 101270208. Its totient is φ = 45840024.

The previous prime is 69435073. The next prime is 69435083. The reversal of 69435081 is 18053496.

It is not a de Polignac number, because 69435081 - 2³ = 69435073 is a prime.

It is a super-2 number, since 2×69435081² = 9642460946953122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69435083) 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, 36525 + ... + 38378.

It is an arithmetic number, because the mean of its divisors is an integer number (8439184).

Almost surely, 2^69435081 is an apocalyptic number.

It is an amenable number.

69435081 is a deficient number, since it is larger than the sum of its proper divisors (31835127).

69435081 is a wasteful number, since it uses less digits than its factorization.

69435081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75012 (or 75009 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 69435081 is about 8332.7715077278. The cubic root of 69435081 is about 411.0168710996.

It can be divided in two parts, 694350 and 81, that added together give a triangular number (694431 = T₁₁₇₈).

The spelling of 69435081 in words is "sixty-nine million, four hundred thirty-five thousand, eighty-one".