35340721 has 8 divisors (see below), whose sum is σ = 38148264. Its totient is φ = 32545920.

The previous prime is 35340667. The next prime is 35340727. The reversal of 35340721 is 12704353.

It can be written as a sum of positive squares in 4 ways, for example, as 4260096 + 31080625 = 2064^2 + 5575^2 .

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 35340721 - 2⁷ = 35340593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35340727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045 + ... + 8941.

It is an arithmetic number, because the mean of its divisors is an integer number (4768533).

Almost surely, 2^35340721 is an apocalyptic number.

It is an amenable number.

35340721 is a deficient number, since it is larger than the sum of its proper divisors (2807543).

35340721 is a wasteful number, since it uses less digits than its factorization.

35340721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 35340721 is about 5944.8062205593. The cubic root of 35340721 is about 328.1646537232.

The spelling of 35340721 in words is "thirty-five million, three hundred forty thousand, seven hundred twenty-one".