973221761250 has 270 divisors, whose sum is σ = 2693157641031. Its totient is φ = 253917300000.

The previous prime is 973221761231. The next prime is 973221761257. The reversal of 973221761250 is 52167122379.

It is a happy number.

973221761250 is a `hidden beast` number, since 9 + 7 + 3 + 2 + 21 + 7 + 612 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 225008871201 + 748212890049 = 474351^2 + 864993^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=697575.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 973221761196 and 973221761205.

It is not an unprimeable number, because it can be changed into a prime (973221761257) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 7429173685 + ... + 7429173815.

Almost surely, 2^973221761250 is an apocalyptic number.

973221761250 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 973221761250

973221761250 is an abundant number, since it is smaller than the sum of its proper divisors (1719935879781).

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

973221761250 is an equidigital number, since it uses as much as digits as its factorization.

973221761250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 973221761250 in words is "nine hundred seventy-three billion, two hundred twenty-one million, seven hundred sixty-one thousand, two hundred fifty".