1772489348 has 54 divisors (see below), whose sum is σ = 3660543306. Its totient is φ = 748790784.

The previous prime is 1772489311. The next prime is 1772489413. The reversal of 1772489348 is 8439842771.

It can be written as a sum of positive squares in 3 ways, for example, as 834169924 + 938319424 = 28882^2 + 30632^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1772489348.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1043636 + ... + 1045332.

It is an arithmetic number, because the mean of its divisors is an integer number (67787839).

Almost surely, 2^1772489348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1772489348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830271653).

1772489348 is an abundant number, since it is smaller than the sum of its proper divisors (1888053958).

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

1772489348 is a wasteful number, since it uses less digits than its factorization.

1772489348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1779 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 1772489348 is about 42100.9423647500. The cubic root of 1772489348 is about 1210.2113211500.

The spelling of 1772489348 in words is "one billion, seven hundred seventy-two million, four hundred eighty-nine thousand, three hundred forty-eight".