70405322 has 8 divisors (see below), whose sum is σ = 113731716. Its totient is φ = 32494752.

The previous prime is 70405297. The next prime is 70405333. The reversal of 70405322 is 22350407.

It can be written as a sum of positive squares in 2 ways, for example, as 63377521 + 7027801 = 7961^2 + 2651^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1353923 + ... + 1353974.

Almost surely, 2^70405322 is an apocalyptic number.

70405322 is a deficient number, since it is larger than the sum of its proper divisors (43326394).

70405322 is a wasteful number, since it uses less digits than its factorization.

70405322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707912.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 70405322 is about 8390.7879248614. The cubic root of 70405322 is about 412.9224508347.

Adding to 70405322 its reverse (22350407), we get a palindrome (92755729).

The spelling of 70405322 in words is "seventy million, four hundred five thousand, three hundred twenty-two".