70824574920 has 128 divisors (see below), whose sum is σ = 233325204480. Its totient is φ = 17055840000.

The previous prime is 70824574907. The next prime is 70824574927. The reversal of 70824574920 is 2947542807.

It is a super-2 number, since 2×70824574920² (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 70824574920.

It is not an unprimeable number, because it can be changed into a prime (70824574927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21655 + ... + 376985.

It is an arithmetic number, because the mean of its divisors is an integer number (1822853160).

Almost surely, 2^70824574920 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 70824574920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116662602240).

70824574920 is an abundant number, since it is smaller than the sum of its proper divisors (162500629560).

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

70824574920 is a wasteful number, since it uses less digits than its factorization.

70824574920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355507 (or 355503 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 70824574920 in words is "seventy billion, eight hundred twenty-four million, five hundred seventy-four thousand, nine hundred twenty".