70523354634012 has 144 divisors (see below), whose sum is σ = 212703763860000. Its totient is φ = 20148176901888.

The previous prime is 70523354633957. The next prime is 70523354634013. The reversal of 70523354634012 is 21043645332507.

It is a happy number.

70523354634012 is a `hidden beast` number, since 7 + 0 + 5 + 2 + 3 + 3 + 5 + 4 + 634 + 0 + 1 + 2 = 666.

It is a super-2 number, since 2×70523354634012² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70523354634013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79728664 + ... + 80608352.

It is an arithmetic number, because the mean of its divisors is an integer number (1477109471250).

Almost surely, 2^{70523354634012} 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 70523354634012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106351881930000).

70523354634012 is an abundant number, since it is smaller than the sum of its proper divisors (142180409225988).

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

70523354634012 is a wasteful number, since it uses less digits than its factorization.

70523354634012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894865 (or 894850 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

Adding to 70523354634012 its reverse (21043645332507), we get a palindrome (91566999966519).

The spelling of 70523354634012 in words is "seventy trillion, five hundred twenty-three billion, three hundred fifty-four million, six hundred thirty-four thousand, twelve".