70220824 has 16 divisors (see below), whose sum is σ = 133630200. Its totient is φ = 34586112.

The previous prime is 70220819. The next prime is 70220831. The reversal of 70220824 is 42802207.

It is a congruent number.

It is an unprimeable number.

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, 64969 + ... + 66040.

Almost surely, 2^70220824 is an apocalyptic number.

It is an amenable number.

70220824 is a deficient number, since it is larger than the sum of its proper divisors (63409376).

70220824 is a wasteful number, since it uses less digits than its factorization.

70220824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131082 (or 131078 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 70220824 is about 8379.7866321285. The cubic root of 70220824 is about 412.5614458818.

The spelling of 70220824 in words is "seventy million, two hundred twenty thousand, eight hundred twenty-four".