70224528 has 120 divisors (see below), whose sum is σ = 203049504. Its totient is φ = 20894720.

The previous prime is 70224527. The next prime is 70224541. The reversal of 70224528 is 82542207.

It is a junction number, because it is equal to n+sod(n) for n = 70224495 and 70224504.

It is not an unprimeable number, because it can be changed into a prime (70224521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 621400 + ... + 621512.

Almost surely, 2^70224528 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 70224528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101524752).

70224528 is an abundant number, since it is smaller than the sum of its proper divisors (132824976).

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

70224528 is a wasteful number, since it uses less digits than its factorization.

70224528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 70224528 is about 8380.0076372280. The cubic root of 70224528 is about 412.5686996689.

The spelling of 70224528 in words is "seventy million, two hundred twenty-four thousand, five hundred twenty-eight".