1772314320 has 120 divisors (see below), whose sum is σ = 6391224864. Its totient is φ = 405097728.

The previous prime is 1772314303. The next prime is 1772314321. The reversal of 1772314320 is 234132771.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772314321) 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, 63594 + ... + 87113.

Almost surely, 2^1772314320 is an apocalyptic number.

1772314320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1772314320 is an abundant number, since it is smaller than the sum of its proper divisors (4618910544).

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

1772314320 is a wasteful number, since it uses less digits than its factorization.

1772314320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150737 (or 150724 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1772314320 is about 42098.8636426210. The cubic root of 1772314320 is about 1210.1714849275.

The spelling of 1772314320 in words is "one billion, seven hundred seventy-two million, three hundred fourteen thousand, three hundred twenty".