70670448 has 80 divisors (see below), whose sum is σ = 209882400. Its totient is φ = 22740480.

The previous prime is 70670447. The next prime is 70670459. The reversal of 70670448 is 84407607.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670447) 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 15 ways as a sum of consecutive naturals, for example, 9708 + ... + 15348.

It is an arithmetic number, because the mean of its divisors is an integer number (2623530).

Almost surely, 2^70670448 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 70670448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104941200).

70670448 is an abundant number, since it is smaller than the sum of its proper divisors (139211952).

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

70670448 is a wasteful number, since it uses less digits than its factorization.

70670448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687 (or 5675 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70670448 is about 8406.5717150334. The cubic root of 70670448 is about 413.4401169357.

The spelling of 70670448 in words is "seventy million, six hundred seventy thousand, four hundred forty-eight".