70242816 has 160 divisors (see below), whose sum is σ = 219985920. Its totient is φ = 19501056.

The previous prime is 70242797. The next prime is 70242839. The reversal of 70242816 is 61824207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505275 + ... + 505413.

It is an arithmetic number, because the mean of its divisors is an integer number (1374912).

Almost surely, 2^70242816 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 70242816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109992960).

70242816 is an abundant number, since it is smaller than the sum of its proper divisors (149743104).

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

70242816 is a wasteful number, since it uses less digits than its factorization.

70242816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 70242816 is about 8381.0987346529. The cubic root of 70242816 is about 412.6045105255.

The spelling of 70242816 in words is "seventy million, two hundred forty-two thousand, eight hundred sixteen".