70049224 has 24 divisors (see below), whose sum is σ = 152786790. Its totient is φ = 30020928.

The previous prime is 70049209. The next prime is 70049281. The reversal of 70049224 is 42294007.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 25826724 = 6650^2 + 5082^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 70049192 and 70049201.

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 5 ways as a sum of consecutive naturals, for example, 88957 + ... + 89740.

Almost surely, 2^70049224 is an apocalyptic number.

It is an amenable number.

70049224 is an abundant number, since it is smaller than the sum of its proper divisors (82737566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70049224 is a wasteful number, since it uses less digits than its factorization.

70049224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178717 (or 178706 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 70049224 is about 8369.5414450255. The cubic root of 70049224 is about 412.2251102734.

The spelling of 70049224 in words is "seventy million, forty-nine thousand, two hundred twenty-four".