1772244672 has 56 divisors (see below), whose sum is σ = 5115348672. Its totient is φ = 537043200.

The previous prime is 1772244659. The next prime is 1772244707. The reversal of 1772244672 is 2764422771.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 417454 + ... + 421677.

It is an arithmetic number, because the mean of its divisors is an integer number (91345512).

Almost surely, 2^1772244672 is an apocalyptic number.

1772244672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1772244672 is an abundant number, since it is smaller than the sum of its proper divisors (3343104000).

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

1772244672 is a wasteful number, since it uses less digits than its factorization.

1772244672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839157 (or 839147 counting only the distinct ones).

The product of its digits is 263424, while the sum is 42.

The square root of 1772244672 is about 42098.0364387699. The cubic root of 1772244672 is about 1210.1556323731.

The spelling of 1772244672 in words is "one billion, seven hundred seventy-two million, two hundred forty-four thousand, six hundred seventy-two".