1722648960 has 384 divisors, whose sum is σ = 6258189600. Its totient is φ = 436174848.

The previous prime is 1722648937. The next prime is 1722648973. The reversal of 1722648960 is 698462271.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12574012 + ... + 12574148.

Almost surely, 2^1722648960 is an apocalyptic number.

1722648960 is a gapful number since it is divisible by the number (10) 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 1722648960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129094800).

1722648960 is an abundant number, since it is smaller than the sum of its proper divisors (4535540640).

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

1722648960 is a wasteful number, since it uses less digits than its factorization.

1722648960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1722648960 is about 41504.8064686489. The cubic root of 1722648960 is about 1198.7600525499.

The spelling of 1722648960 in words is "one billion, seven hundred twenty-two million, six hundred forty-eight thousand, nine hundred sixty".