70666436070 has 128 divisors (see below), whose sum is σ = 193030041600. Its totient is φ = 18386694144.

The previous prime is 70666436069. The next prime is 70666436101. The reversal of 70666436070 is 7063466607.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13383691 + ... + 13388969.

It is an arithmetic number, because the mean of its divisors is an integer number (1508047200).

Almost surely, 2^70666436070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70666436070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96515020800).

70666436070 is an abundant number, since it is smaller than the sum of its proper divisors (122363605530).

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

70666436070 is a wasteful number, since it uses less digits than its factorization.

70666436070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491 (or 6485 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 70666436070 in words is "seventy billion, six hundred sixty-six million, four hundred thirty-six thousand, seventy".