70782263544 has 64 divisors (see below), whose sum is σ = 182705725440. Its totient is φ = 22827761280.

The previous prime is 70782263543. The next prime is 70782263599. The reversal of 70782263544 is 44536228707.

It is a junction number, because it is equal to n+sod(n) for n = 70782263493 and 70782263502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70782263543) 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 15 ways as a sum of consecutive naturals, for example, 4491102 + ... + 4506834.

It is an arithmetic number, because the mean of its divisors is an integer number (2854776960).

Almost surely, 2^70782263544 is an apocalyptic number.

It is an amenable number.

70782263544 is an abundant number, since it is smaller than the sum of its proper divisors (111923461896).

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

70782263544 is a wasteful number, since it uses less digits than its factorization.

70782263544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820 (or 21816 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 70782263544 in words is "seventy billion, seven hundred eighty-two million, two hundred sixty-three thousand, five hundred forty-four".