70475066550 has 576 divisors, whose sum is σ = 241004574720. Its totient is φ = 14944849920.

The previous prime is 70475066549. The next prime is 70475066569. The reversal of 70475066550 is 5566057407.

70475066550 is a `hidden beast` number, since 7 + 0 + 47 + 50 + 6 + 6 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70475066496 and 70475066505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 114221842 + ... + 114222458.

It is an arithmetic number, because the mean of its divisors is an integer number (418410720).

Almost surely, 2^70475066550 is an apocalyptic number.

70475066550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70475066550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120502287360).

70475066550 is an abundant number, since it is smaller than the sum of its proper divisors (170529508170).

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

70475066550 is a wasteful number, since it uses less digits than its factorization.

70475066550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 70475066550 in words is "seventy billion, four hundred seventy-five million, sixty-six thousand, five hundred fifty".