70435805 has 8 divisors (see below), whose sum is σ = 92206944. Its totient is φ = 51226000.

The previous prime is 70435801. The next prime is 70435819. The reversal of 70435805 is 50853407.

It is a happy number.

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

It is not a de Polignac number, because 70435805 - 2² = 70435801 is a prime.

It is a super-2 number, since 2×70435805² = 9922405251996050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70435801) 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, 640271 + ... + 640380.

It is an arithmetic number, because the mean of its divisors is an integer number (11525868).

Almost surely, 2^70435805 is an apocalyptic number.

It is an amenable number.

70435805 is a deficient number, since it is larger than the sum of its proper divisors (21771139).

70435805 is a wasteful number, since it uses less digits than its factorization.

70435805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280667.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 70435805 is about 8392.6041846378. The cubic root of 70435805 is about 412.9820358138.

The spelling of 70435805 in words is "seventy million, four hundred thirty-five thousand, eight hundred five".