345707081 has 8 divisors (see below), whose sum is σ = 352849920. Its totient is φ = 338633568.

The previous prime is 345707077. The next prime is 345707099. The reversal of 345707081 is 180707543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345707081 - 2² = 345707077 is a prime.

It is a super-2 number, since 2×345707081² = 239026771707081122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345707051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7196 + ... + 27261.

It is an arithmetic number, because the mean of its divisors is an integer number (44106240).

Almost surely, 2^345707081 is an apocalyptic number.

It is an amenable number.

345707081 is a deficient number, since it is larger than the sum of its proper divisors (7142839).

345707081 is a wasteful number, since it uses less digits than its factorization.

345707081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34663.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 345707081 is about 18593.1998590883. The cubic root of 345707081 is about 701.8367280996.

The spelling of 345707081 in words is "three hundred forty-five million, seven hundred seven thousand, eighty-one".