73051250 has 20 divisors (see below), whose sum is σ = 136929606. Its totient is φ = 29220000.

The previous prime is 73051249. The next prime is 73051259. The reversal of 73051250 is 5215037.

It can be written as a sum of positive squares in 5 ways, for example, as 10118761 + 62932489 = 3181^2 + 7933^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73051259) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 27971 + ... + 30470.

Almost surely, 2^73051250 is an apocalyptic number.

73051250 is a deficient number, since it is larger than the sum of its proper divisors (63878356).

73051250 is an equidigital number, since it uses as much as digits as its factorization.

73051250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58463 (or 58448 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 73051250 is about 8547.0023985021. The cubic root of 73051250 is about 418.0317009298.

Adding to 73051250 its reverse (5215037), we get a palindrome (78266287).

The spelling of 73051250 in words is "seventy-three million, fifty-one thousand, two hundred fifty".