70243691328 has 336 divisors, whose sum is σ = 220436236800. Its totient is φ = 21320589312.

The previous prime is 70243691321. The next prime is 70243691363. The reversal of 70243691328 is 82319634207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70243691321) 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, 23036748 + ... + 23039796.

Almost surely, 2^70243691328 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 70243691328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110218118400).

70243691328 is an abundant number, since it is smaller than the sum of its proper divisors (150192545472).

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

70243691328 is a wasteful number, since it uses less digits than its factorization.

70243691328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 70243691328 in words is "seventy billion, two hundred forty-three million, six hundred ninety-one thousand, three hundred twenty-eight".