1772515068 has 12 divisors (see below), whose sum is σ = 4135868520. Its totient is φ = 590838352.

The previous prime is 1772515057. The next prime is 1772515097. The reversal of 1772515068 is 8605152771.

It is a tau number, because it is divible by the number of its divisors (12).

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, 73854783 + ... + 73854806.

It is an arithmetic number, because the mean of its divisors is an integer number (344655710).

Almost surely, 2^1772515068 is an apocalyptic number.

It is an amenable number.

1772515068 is an abundant number, since it is smaller than the sum of its proper divisors (2363353452).

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

1772515068 is a wasteful number, since it uses less digits than its factorization.

1772515068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147709596 (or 147709594 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The square root of 1772515068 is about 42101.2478199875. The cubic root of 1772515068 is about 1210.2171747789.

The spelling of 1772515068 in words is "one billion, seven hundred seventy-two million, five hundred fifteen thousand, sixty-eight".