70039424 has 96 divisors (see below), whose sum is σ = 175001400. Its totient is φ = 27675648.

The previous prime is 70039423. The next prime is 70039433. The reversal of 70039424 is 42493007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70039423) 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 11 ways as a sum of consecutive naturals, for example, 81107 + ... + 81965.

Almost surely, 2^70039424 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 70039424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87500700).

70039424 is an abundant number, since it is smaller than the sum of its proper divisors (104961976).

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

70039424 is a wasteful number, since it uses less digits than its factorization.

70039424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70039424 is about 8368.9559683392. The cubic root of 70039424 is about 412.2058857231.

The spelling of 70039424 in words is "seventy million, thirty-nine thousand, four hundred twenty-four".