70484420 has 48 divisors (see below), whose sum is σ = 156643200. Its totient is φ = 26585856.

The previous prime is 70484417. The next prime is 70484429. The reversal of 70484420 is 2448407.

It is not an unprimeable number, because it can be changed into a prime (70484429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32531 + ... + 34629.

It is an arithmetic number, because the mean of its divisors is an integer number (3263400).

Almost surely, 2^70484420 is an apocalyptic number.

It is a pronic number, being equal to 8395×8396.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70484420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78321600).

70484420 is an abundant number, since it is smaller than the sum of its proper divisors (86158780).

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

70484420 is a wasteful number, since it uses less digits than its factorization.

70484420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 70484420 is about 8395.4999851111. The cubic root of 70484420 is about 413.0770277683.

The spelling of 70484420 in words is "seventy million, four hundred eighty-four thousand, four hundred twenty".