70513344 has 168 divisors, whose sum is σ = 228234240. Its totient is φ = 20620800.

The previous prime is 70513343. The next prime is 70513349. The reversal of 70513344 is 44331507.

It is not an unprimeable number, because it can be changed into a prime (70513343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196237 + ... + 196595.

Almost surely, 2^70513344 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 70513344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114117120).

70513344 is an abundant number, since it is smaller than the sum of its proper divisors (157720896).

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

70513344 is a wasteful number, since it uses less digits than its factorization.

70513344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 70513344 is about 8397.2223979123. Note that the first 3 decimals coincide. The cubic root of 70513344 is about 413.1335234970.

The spelling of 70513344 in words is "seventy million, five hundred thirteen thousand, three hundred forty-four".