70487856 has 60 divisors (see below), whose sum is σ = 202096440. Its totient is φ = 22920960.

The previous prime is 70487843. The next prime is 70487869. The reversal of 70487856 is 65878407.

It is an interprime number because it is at equal distance from previous prime (70487843) and next prime (70487869).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66 + ... + 11873.

It is an arithmetic number, because the mean of its divisors is an integer number (3368274).

Almost surely, 2^70487856 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 70487856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101048220).

70487856 is an abundant number, since it is smaller than the sum of its proper divisors (131608584).

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

70487856 is a wasteful number, since it uses less digits than its factorization.

70487856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994 (or 11985 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 70487856 is about 8395.7046160522. The cubic root of 70487856 is about 413.0837399353.

The spelling of 70487856 in words is "seventy million, four hundred eighty-seven thousand, eight hundred fifty-six".