70239424 has 28 divisors (see below), whose sum is σ = 145444464. Its totient is φ = 33592064.

The previous prime is 70239413. The next prime is 70239439. The reversal of 70239424 is 42493207.

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 3 ways as a sum of consecutive naturals, for example, 22387 + ... + 25330.

Almost surely, 2^70239424 is an apocalyptic number.

It is an amenable number.

70239424 is an abundant number, since it is smaller than the sum of its proper divisors (75205040).

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

70239424 is a wasteful number, since it uses less digits than its factorization.

70239424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47752 (or 47742 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 70239424 is about 8380.8963721072. The cubic root of 70239424 is about 412.5978689114.

The spelling of 70239424 in words is "seventy million, two hundred thirty-nine thousand, four hundred twenty-four".