70741121766 has 16 divisors (see below), whose sum is σ = 161693992704. Its totient is φ = 20211749064.

The previous prime is 70741121719. The next prime is 70741121767. The reversal of 70741121766 is 66712114707.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1684312423 = 70741121766 / (7 + 0 + 7 + 4 + 1 + 1 + 2 + 1 + 7 + 6 + 6).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70741121767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842156170 + ... + 842156253.

It is an arithmetic number, because the mean of its divisors is an integer number (10105874544).

Almost surely, 2^70741121766 is an apocalyptic number.

70741121766 is an abundant number, since it is smaller than the sum of its proper divisors (90952870938).

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

70741121766 is a wasteful number, since it uses less digits than its factorization.

70741121766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684312435.

The product of its (nonzero) digits is 98784, while the sum is 42.

The spelling of 70741121766 in words is "seventy billion, seven hundred forty-one million, one hundred twenty-one thousand, seven hundred sixty-six".