70545447600 has 240 divisors, whose sum is σ = 234129490944. Its totient is φ = 18138240000.

The previous prime is 70545447551. The next prime is 70545447601. The reversal of 70545447600 is 674454507.

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

It is not an unprimeable number, because it can be changed into a prime (70545447601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10524250 + ... + 10530950.

Almost surely, 2^70545447600 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 70545447600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117064745472).

70545447600 is an abundant number, since it is smaller than the sum of its proper divisors (163584043344).

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

70545447600 is a wasteful number, since it uses less digits than its factorization.

70545447600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7036 (or 7025 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 70545447600 in words is "seventy billion, five hundred forty-five million, four hundred forty-seven thousand, six hundred".