70135224 has 32 divisors (see below), whose sum is σ = 181386000. Its totient is φ = 22572032.

The previous prime is 70135207. The next prime is 70135229. The reversal of 70135224 is 42253107.

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 = 70135194 and 70135203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70135229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49689 + ... + 51080.

Almost surely, 2^70135224 is an apocalyptic number.

It is an amenable number.

70135224 is an abundant number, since it is smaller than the sum of its proper divisors (111250776).

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

70135224 is a wasteful number, since it uses less digits than its factorization.

70135224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100807 (or 100803 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70135224 is about 8374.6775460313. The cubic root of 70135224 is about 412.3937386530.

The spelling of 70135224 in words is "seventy million, one hundred thirty-five thousand, two hundred twenty-four".