70561200 has 120 divisors (see below), whose sum is σ = 228302848. Its totient is φ = 18627840.

The previous prime is 70561199. The next prime is 70561213. The reversal of 70561200 is 216507.

It is a tau number, because it is divible by the number of its divisors (120).

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, 152169 + ... + 152631.

Almost surely, 2^70561200 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 70561200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114151424).

70561200 is an abundant number, since it is smaller than the sum of its proper divisors (157741648).

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

70561200 is a wasteful number, since it uses less digits than its factorization.

70561200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 70561200 is about 8400.0714282677. The cubic root of 70561200 is about 413.2269641885.

Adding to 70561200 its reverse (216507), we get a palindrome (70777707).

It can be divided in two parts, 7056 and 1200, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 70561200 in words is "seventy million, five hundred sixty-one thousand, two hundred".