70216800 has 144 divisors (see below), whose sum is σ = 242140752. Its totient is φ = 17612800.

The previous prime is 70216789. The next prime is 70216813. The reversal of 70216800 is 861207.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39940 + ... + 41660.

It is an arithmetic number, because the mean of its divisors is an integer number (1681533).

Almost surely, 2^70216800 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 70216800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121070376).

70216800 is an abundant number, since it is smaller than the sum of its proper divisors (171923952).

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

70216800 is a wasteful number, since it uses less digits than its factorization.

70216800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 70216800 is about 8379.5465271099. The cubic root of 70216800 is about 412.5535651285.

The spelling of 70216800 in words is "seventy million, two hundred sixteen thousand, eight hundred".