70894280 has 64 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 26929408.

The previous prime is 70894253. The next prime is 70894297. The reversal of 70894280 is 8249807.

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, 241814 + ... + 242106.

It is an arithmetic number, because the mean of its divisors is an integer number (2619540).

Almost surely, 2^70894280 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 70894280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83825280).

70894280 is an abundant number, since it is smaller than the sum of its proper divisors (96756280).

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

70894280 is a wasteful number, since it uses less digits than its factorization.

70894280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 70894280 is about 8419.8741083225. The cubic root of 70894280 is about 413.8761483165.

The spelling of 70894280 in words is "seventy million, eight hundred ninety-four thousand, two hundred eighty".