1772680706840 has 16 divisors (see below), whose sum is σ = 3988531590480. Its totient is φ = 709072282720.

The previous prime is 1772680706837. The next prime is 1772680706873. The reversal of 1772680706840 is 486070862771.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22158508796 + ... + 22158508875.

It is an arithmetic number, because the mean of its divisors is an integer number (249283224405).

Almost surely, 2^{1772680706840} is an apocalyptic number.

1772680706840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1772680706840 is an abundant number, since it is smaller than the sum of its proper divisors (2215850883640).

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

1772680706840 is a wasteful number, since it uses less digits than its factorization.

1772680706840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44317017682 (or 44317017678 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 1772680706840 in words is "one trillion, seven hundred seventy-two billion, six hundred eighty million, seven hundred six thousand, eight hundred forty".