70243200 has 240 divisors, whose sum is σ = 260169360. Its totient is φ = 18662400.

The previous prime is 70243193. The next prime is 70243223. The reversal of 70243200 is 234207.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 259065 + ... + 259335.

It is an arithmetic number, because the mean of its divisors is an integer number (1084039).

Almost surely, 2^70243200 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 70243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130084680).

70243200 is an abundant number, since it is smaller than the sum of its proper divisors (189926160).

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

70243200 is a wasteful number, since it uses less digits than its factorization.

70243200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 70243200 is about 8381.1216433124. The cubic root of 70243200 is about 412.6052623929.

Adding to 70243200 its reverse (234207), we get a palindrome (70477407).

The spelling of 70243200 in words is "seventy million, two hundred forty-three thousand, two hundred".