70451200 has 102 divisors (see below), whose sum is σ = 178780844. Its totient is φ = 27525120.

The previous prime is 70451191. The next prime is 70451239. The reversal of 70451200 is 215407.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1638379 + ... + 1638421.

Almost surely, 2^70451200 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 70451200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89390422).

70451200 is an abundant number, since it is smaller than the sum of its proper divisors (108329644).

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

70451200 is an frugal number, since it uses more digits than its factorization.

70451200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70451200 is about 8393.5213111066. The cubic root of 70451200 is about 413.0121218157.

Adding to 70451200 its reverse (215407), we get a palindrome (70666607).

The spelling of 70451200 in words is "seventy million, four hundred fifty-one thousand, two hundred".