70144768 has 54 divisors (see below), whose sum is σ = 144394292. Its totient is φ = 34007040.

The previous prime is 70144759. The next prime is 70144787. The reversal of 70144768 is 86744107.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 430255 + ... + 430417.

Almost surely, 2^70144768 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 70144768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72197146).

70144768 is an abundant number, since it is smaller than the sum of its proper divisors (74249524).

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

70144768 is an equidigital number, since it uses as much as digits as its factorization.

70144768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 70144768 is about 8375.2473396312. The cubic root of 70144768 is about 412.4124439820.

The spelling of 70144768 in words is "seventy million, one hundred forty-four thousand, seven hundred sixty-eight".