70570224 has 160 divisors (see below), whose sum is σ = 216057600. Its totient is φ = 22014720.

The previous prime is 70570219. The next prime is 70570249. The reversal of 70570224 is 42207507.

70570224 is a `hidden beast` number, since 70 + 570 + 2 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 538639 + ... + 538769.

It is an arithmetic number, because the mean of its divisors is an integer number (1350360).

Almost surely, 2^70570224 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 70570224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108028800).

70570224 is an abundant number, since it is smaller than the sum of its proper divisors (145487376).

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

70570224 is a wasteful number, since it uses less digits than its factorization.

70570224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 70570224 is about 8400.6085493850. The cubic root of 70570224 is about 413.2445791628.

The spelling of 70570224 in words is "seventy million, five hundred seventy thousand, two hundred twenty-four".