70634990976 has 768 divisors, whose sum is σ = 234420480000. Its totient is φ = 18734284800.

The previous prime is 70634990969. The next prime is 70634991023. The reversal of 70634990976 is 67909943607.

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, 793651540 + ... + 793651628.

It is an arithmetic number, because the mean of its divisors is an integer number (305235000).

Almost surely, 2^70634990976 is an apocalyptic number.

70634990976 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70634990976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117210240000).

70634990976 is an abundant number, since it is smaller than the sum of its proper divisors (163785489024).

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

70634990976 is a wasteful number, since it uses less digits than its factorization.

70634990976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 60.

The spelling of 70634990976 in words is "seventy billion, six hundred thirty-four million, nine hundred ninety thousand, nine hundred seventy-six".