70289985600 has 504 divisors, whose sum is σ = 260325400608. Its totient is φ = 18654105600.

The previous prime is 70289985593. The next prime is 70289985631. The reversal of 70289985600 is 658998207.

It is a happy number.

70289985600 is a `hidden beast` number, since 7 + 0 + 28 + 9 + 9 + 8 + 5 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 134913340 + ... + 134913860.

It is an arithmetic number, because the mean of its divisors is an integer number (516518652).

Almost surely, 2^70289985600 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 70289985600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130162700304).

70289985600 is an abundant number, since it is smaller than the sum of its proper divisors (190035415008).

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

70289985600 is a wasteful number, since it uses less digits than its factorization.

70289985600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 70289985600 in words is "seventy billion, two hundred eighty-nine million, nine hundred eighty-five thousand, six hundred".