70349845 has 8 divisors (see below), whose sum is σ = 85167576. Its totient is φ = 55781376.

The previous prime is 70349827. The next prime is 70349869. The reversal of 70349845 is 54894307.

It can be written as a sum of positive squares in 4 ways, for example, as 10023556 + 60326289 = 3166^2 + 7767^2 .

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 70349845 - 2⁷ = 70349717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70349798 and 70349807.

It is a congruent number.

It is an unprimeable number.

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, 61692 + ... + 62821.

It is an arithmetic number, because the mean of its divisors is an integer number (10645947).

Almost surely, 2^70349845 is an apocalyptic number.

It is an amenable number.

70349845 is a deficient number, since it is larger than the sum of its proper divisors (14817731).

70349845 is a wasteful number, since it uses less digits than its factorization.

70349845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124631.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 70349845 is about 8387.4814455831. The cubic root of 70349845 is about 412.8139660516.

The spelling of 70349845 in words is "seventy million, three hundred forty-nine thousand, eight hundred forty-five".