70045224 has 48 divisors (see below), whose sum is σ = 178651200. Its totient is φ = 22885824.

The previous prime is 70045211. The next prime is 70045249. The reversal of 70045224 is 42254007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 70045194 and 70045203.

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 11 ways as a sum of consecutive naturals, for example, 66897 + ... + 67935.

It is an arithmetic number, because the mean of its divisors is an integer number (3721900).

Almost surely, 2^70045224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70045224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89325600).

70045224 is an abundant number, since it is smaller than the sum of its proper divisors (108605976).

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

70045224 is a wasteful number, since it uses less digits than its factorization.

70045224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 70045224 is about 8369.3024798964. The cubic root of 70045224 is about 412.2172637348.

The spelling of 70045224 in words is "seventy million, forty-five thousand, two hundred twenty-four".