1973532288 has 128 divisors (see below), whose sum is σ = 6452046720. Its totient is φ = 520482816.

The previous prime is 1973532283. The next prime is 1973532347. The reversal of 1973532288 is 8822353791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1973532283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6706 + ... + 63182.

It is an arithmetic number, because the mean of its divisors is an integer number (50406615).

Almost surely, 2^1973532288 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 1973532288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3226023360).

1973532288 is an abundant number, since it is smaller than the sum of its proper divisors (4478514432).

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

1973532288 is a wasteful number, since it uses less digits than its factorization.

1973532288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56514 (or 56502 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 1973532288 is about 44424.4559674061. The cubic root of 1973532288 is about 1254.3384794294.

The spelling of 1973532288 in words is "one billion, nine hundred seventy-three million, five hundred thirty-two thousand, two hundred eighty-eight".