1745722368 has 220 divisors, whose sum is σ = 5617541160. Its totient is φ = 536813568.

The previous prime is 1745722357. The next prime is 1745722373. The reversal of 1745722368 is 8632275471.

1745722368 is a `hidden beast` number, since 1 + 74 + 572 + 2 + 3 + 6 + 8 = 666.

It is a super-2 number, since 2×1745722368² = 6095093172271054848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1077463 + ... + 1079081.

It is an arithmetic number, because the mean of its divisors is an integer number (25534278).

Almost surely, 2^1745722368 is an apocalyptic number.

1745722368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1745722368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808770580).

1745722368 is an abundant number, since it is smaller than the sum of its proper divisors (3871818792).

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

1745722368 is a wasteful number, since it uses less digits than its factorization.

1745722368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1637 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 1745722368 is about 41781.8425634868. The cubic root of 1745722368 is about 1204.0884546294.

The spelling of 1745722368 in words is "one billion, seven hundred forty-five million, seven hundred twenty-two thousand, three hundred sixty-eight".