70642200 has 96 divisors (see below), whose sum is σ = 228556800. Its totient is φ = 18015360.

The previous prime is 70642199. The next prime is 70642217. The reversal of 70642200 is 224607.

It is a happy number.

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, 11241 + ... + 16359.

It is an arithmetic number, because the mean of its divisors is an integer number (2380800).

Almost surely, 2^70642200 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 70642200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114278400).

70642200 is an abundant number, since it is smaller than the sum of its proper divisors (157914600).

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

70642200 is a wasteful number, since it uses less digits than its factorization.

70642200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 70642200 is about 8404.8914329693. The cubic root of 70642200 is about 413.3850235968.

Adding to 70642200 its reverse (224607), we get a palindrome (70866807).

The spelling of 70642200 in words is "seventy million, six hundred forty-two thousand, two hundred".