35470021 has 4 divisors (see below), whose sum is σ = 35605152. Its totient is φ = 35334892.

The previous prime is 35470009. The next prime is 35470031. The reversal of 35470021 is 12007453.

35470021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 35470021 - 2⁵ = 35469989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35469974 and 35470001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35470031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67171 + ... + 67696.

It is an arithmetic number, because the mean of its divisors is an integer number (8901288).

Almost surely, 2^35470021 is an apocalyptic number.

It is an amenable number.

35470021 is a deficient number, since it is larger than the sum of its proper divisors (135131).

35470021 is a wasteful number, since it uses less digits than its factorization.

35470021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135130.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 35470021 is about 5955.6713307569. The cubic root of 35470021 is about 328.5643819085.

Adding to 35470021 its reverse (12007453), we get a palindrome (47477474).

The spelling of 35470021 in words is "thirty-five million, four hundred seventy thousand, twenty-one".