70785832464 has 30 divisors (see below), whose sum is σ = 198102017646. Its totient is φ = 23595277440.

The previous prime is 70785832423. The next prime is 70785832511. The reversal of 70785832464 is 46423858707.

70785832464 is a `hidden beast` number, since 70 + 7 + 85 + 8 + 32 + 464 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70713446400 + 72386064 = 265920^2 + 8508^2 .

It is a super-2 number, since 2×70785832464² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70785832464.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245783997 + ... + 245784284.

Almost surely, 2^70785832464 is an apocalyptic number.

It is an amenable number.

70785832464 is an abundant number, since it is smaller than the sum of its proper divisors (127316185182).

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

70785832464 is a wasteful number, since it uses less digits than its factorization.

70785832464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491568295 (or 491568286 counting only the distinct ones).

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

The spelling of 70785832464 in words is "seventy billion, seven hundred eighty-five million, eight hundred thirty-two thousand, four hundred sixty-four".