1772316 has 72 divisors (see below), whose sum is σ = 5524064. Its totient is φ = 466560.

The previous prime is 1772297. The next prime is 1772317. The reversal of 1772316 is 6132771.

It is a super-2 number, since 2×1772316² = 6282208007712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1772316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3006 + ... + 3546.

2^1772316 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 1772316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2762032).

1772316 is an abundant number, since it is smaller than the sum of its proper divisors (3751748).

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

1772316 is a wasteful number, since it uses less digits than its factorization.

1772316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 566 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 1772316 is about 1331.2835911255. The cubic root of 1772316 is about 121.0171867307.

The spelling of 1772316 in words is "one million, seven hundred seventy-two thousand, three hundred sixteen".