80372250 has 216 divisors, whose sum is σ = 262518516. Its totient is φ = 18370800.

The previous prime is 80372233. The next prime is 80372273. The reversal of 80372250 is 5227308.

It can be written as a sum of positive squares in 2 ways, for example, as 54331641 + 26040609 = 7371^2 + 5103^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 11481747 + ... + 11481753.

Almost surely, 2^80372250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80372250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131259258).

80372250 is an abundant number, since it is smaller than the sum of its proper divisors (182146266).

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

80372250 is an frugal number, since it uses more digits than its factorization.

80372250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 80372250 is about 8965.0571665774. The cubic root of 80372250 is about 431.5542276745.

Adding to 80372250 its reverse (5227308), we get a palindrome (85599558).

The spelling of 80372250 in words is "eighty million, three hundred seventy-two thousand, two hundred fifty".