1772366028 has 24 divisors (see below), whose sum is σ = 4137697200. Its totient is φ = 590477760.

The previous prime is 1772366021. The next prime is 1772366111. The reversal of 1772366028 is 8206632771.

It is not an unprimeable number, because it can be changed into a prime (1772366021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14503 + ... + 61278.

It is an arithmetic number, because the mean of its divisors is an integer number (172404050).

Almost surely, 2^1772366028 is an apocalyptic number.

It is an amenable number.

1772366028 is an abundant number, since it is smaller than the sum of its proper divisors (2365331172).

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

1772366028 is a wasteful number, since it uses less digits than its factorization.

1772366028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77737 (or 77735 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1772366028 is about 42099.4777639818. The cubic root of 1772366028 is about 1210.1832538969.

Adding to 1772366028 its reverse (8206632771), we get a palindrome (9978998799).

The spelling of 1772366028 in words is "one billion, seven hundred seventy-two million, three hundred sixty-six thousand, twenty-eight".