70477317760 has 64 divisors (see below), whose sum is σ = 169084859400. Its totient is φ = 28090531840.

The previous prime is 70477317751. The next prime is 70477317787. The reversal of 70477317760 is 6771377407.

It can be written as a sum of positive squares in 4 ways, for example, as 54542799936 + 15934517824 = 233544^2 + 126232^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×70477317760² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16105 + ... + 375784.

Almost surely, 2^70477317760 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 70477317760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84542429700).

70477317760 is an abundant number, since it is smaller than the sum of its proper divisors (98607541640).

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

70477317760 is a wasteful number, since it uses less digits than its factorization.

70477317760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392189 (or 392177 counting only the distinct ones).

The product of its (nonzero) digits is 1210104, while the sum is 49.

The spelling of 70477317760 in words is "seventy billion, four hundred seventy-seven million, three hundred seventeen thousand, seven hundred sixty".