70123242064 has 90 divisors (see below), whose sum is σ = 146041505610. Its totient is φ = 32608770048.

The previous prime is 70123242029. The next prime is 70123242071. The reversal of 70123242064 is 46024232107.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 158760000 + 69964482064 = 12600^2 + 264508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 187997782 + ... + 187998154.

Almost surely, 2^70123242064 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 70123242064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73020752805).

70123242064 is an abundant number, since it is smaller than the sum of its proper divisors (75918263546).

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

70123242064 is a wasteful number, since it uses less digits than its factorization.

70123242064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 70123242064 in words is "seventy billion, one hundred twenty-three million, two hundred forty-two thousand, sixty-four".