70044480 has 336 divisors, whose sum is σ = 275661120. Its totient is φ = 16727040.

The previous prime is 70044479. The next prime is 70044487. The reversal of 70044480 is 8444007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70044487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1045407 + ... + 1045473.

It is an arithmetic number, because the mean of its divisors is an integer number (820420).

Almost surely, 2^70044480 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 70044480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137830560).

70044480 is an abundant number, since it is smaller than the sum of its proper divisors (205616640).

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

70044480 is a wasteful number, since it uses less digits than its factorization.

70044480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 70044480 is about 8369.2580316298. The cubic root of 70044480 is about 412.2158042456.

Adding to 70044480 its reverse (8444007), we get a palindrome (78488487).

The spelling of 70044480 in words is "seventy million, forty-four thousand, four hundred eighty".