70344288 has 120 divisors (see below), whose sum is σ = 236495952. Its totient is φ = 20093184.

The previous prime is 70344269. The next prime is 70344293. The reversal of 70344288 is 88244307.

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

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 16206 + ... + 20082.

Almost surely, 2^70344288 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 70344288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118247976).

70344288 is an abundant number, since it is smaller than the sum of its proper divisors (166151664).

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

70344288 is a wasteful number, since it uses less digits than its factorization.

70344288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3889 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 70344288 is about 8387.1501715422. The cubic root of 70344288 is about 412.8030962450.

The spelling of 70344288 in words is "seventy million, three hundred forty-four thousand, two hundred eighty-eight".