70667565528 has 384 divisors, whose sum is σ = 217805414400. Its totient is φ = 18702731520.

The previous prime is 70667565517. The next prime is 70667565581. The reversal of 70667565528 is 82556576607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 508399683 + ... + 508399821.

It is an arithmetic number, because the mean of its divisors is an integer number (567201600).

Almost surely, 2^70667565528 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 70667565528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108902707200).

70667565528 is an abundant number, since it is smaller than the sum of its proper divisors (147137848872).

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

70667565528 is a wasteful number, since it uses less digits than its factorization.

70667565528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 70667565528 in words is "seventy billion, six hundred sixty-seven million, five hundred sixty-five thousand, five hundred twenty-eight".