70765428384 has 360 divisors, whose sum is σ = 242756081568. Its totient is φ = 20163790080.

The previous prime is 70765428353. The next prime is 70765428401. The reversal of 70765428384 is 48382456707.

70765428384 is a `hidden beast` number, since 70 + 76 + 5 + 428 + 3 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 70765428384.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 80141607 + ... + 80142489.

Almost surely, 2^70765428384 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 70765428384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121378040784).

70765428384 is an abundant number, since it is smaller than the sum of its proper divisors (171990653184).

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

70765428384 is a wasteful number, since it uses less digits than its factorization.

70765428384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1526 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 70765428384 in words is "seventy billion, seven hundred sixty-five million, four hundred twenty-eight thousand, three hundred eighty-four".