70287553924 has 81 divisors (see below), whose sum is σ = 148416777327. Its totient is φ = 29039965248.

The previous prime is 70287553891. The next prime is 70287553927. The reversal of 70287553924 is 42935578207.

It is a happy number.

The square root of 70287553924 is 265118.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4563002500 + 65724551424 = 67550^2 + 256368^2 .

It is not an unprimeable number, because it can be changed into a prime (70287553927) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 107637582 + ... + 107638234.

Almost surely, 2^70287553924 is an apocalyptic number.

70287553924 is the 265118-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70287553924

70287553924 is an abundant number, since it is smaller than the sum of its proper divisors (78129223403).

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

70287553924 is an equidigital number, since it uses as much as digits as its factorization.

70287553924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 70287553924 in words is "seventy billion, two hundred eighty-seven million, five hundred fifty-three thousand, nine hundred twenty-four".