1772380116 has 120 divisors (see below), whose sum is σ = 5252619680. Its totient is φ = 516621888.

The previous prime is 1772380061. The next prime is 1772380157. The reversal of 1772380116 is 6110832771.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 68955 + ... + 91101.

Almost surely, 2^1772380116 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 1772380116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2626309840).

1772380116 is an abundant number, since it is smaller than the sum of its proper divisors (3480239564).

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

1772380116 is a wasteful number, since it uses less digits than its factorization.

1772380116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22195 (or 22184 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1772380116 is about 42099.6450816393. The cubic root of 1772380116 is about 1210.1864603483.

The spelling of 1772380116 in words is "one billion, seven hundred seventy-two million, three hundred eighty thousand, one hundred sixteen".