70049448 has 80 divisors (see below), whose sum is σ = 224246880. Its totient is φ = 20012832.

The previous prime is 70049431. The next prime is 70049449. The reversal of 70049448 is 84494007.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70049449) 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 19 ways as a sum of consecutive naturals, for example, 3186 + ... + 12257.

It is an arithmetic number, because the mean of its divisors is an integer number (2803086).

Almost surely, 2^70049448 is an apocalyptic number.

It is an amenable number.

70049448 is an abundant number, since it is smaller than the sum of its proper divisors (154197432).

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

70049448 is a wasteful number, since it uses less digits than its factorization.

70049448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15468 (or 15455 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70049448 is about 8369.5548268710. The cubic root of 70049448 is about 412.2255496707.

The spelling of 70049448 in words is "seventy million, forty-nine thousand, four hundred forty-eight".