70303344 has 80 divisors (see below), whose sum is σ = 192785280. Its totient is φ = 22014720.

The previous prime is 70303339. The next prime is 70303351. The reversal of 70303344 is 44330307.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142939 + ... + 143429.

It is an arithmetic number, because the mean of its divisors is an integer number (2409816).

Almost surely, 2^70303344 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 70303344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96392640).

70303344 is an abundant number, since it is smaller than the sum of its proper divisors (122481936).

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

70303344 is a wasteful number, since it uses less digits than its factorization.

70303344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 70303344 is about 8384.7089394922. The cubic root of 70303344 is about 412.7229898106.

The spelling of 70303344 in words is "seventy million, three hundred three thousand, three hundred forty-four".