70344480 has 96 divisors (see below), whose sum is σ = 223933248. Its totient is φ = 18560000.

The previous prime is 70344433. The next prime is 70344493. The reversal of 70344480 is 8444307.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 47755 + ... + 49205.

It is an arithmetic number, because the mean of its divisors is an integer number (2332638).

Almost surely, 2^70344480 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 70344480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111966624).

70344480 is an abundant number, since it is smaller than the sum of its proper divisors (153588768).

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

70344480 is a wasteful number, since it uses less digits than its factorization.

70344480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 70344480 is about 8387.1616176153. The cubic root of 70344480 is about 412.8034718174.

Adding to 70344480 its reverse (8444307), we get a palindrome (78788787).

The spelling of 70344480 in words is "seventy million, three hundred forty-four thousand, four hundred eighty".