73043250 has 64 divisors (see below), whose sum is σ = 208376064. Its totient is φ = 16694400.

The previous prime is 73043233. The next prime is 73043273. The reversal of 73043250 is 5234037.

It is a self number, because there is not a number n which added to its sum of digits gives 73043250.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1707 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (3255876).

Almost surely, 2^73043250 is an apocalyptic number.

73043250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73043250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104188032).

73043250 is an abundant number, since it is smaller than the sum of its proper divisors (135332814).

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

73043250 is a wasteful number, since it uses less digits than its factorization.

73043250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940 (or 13930 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 73043250 is about 8546.5343853518. The cubic root of 73043250 is about 418.0164405215.

Adding to 73043250 its reverse (5234037), we get a palindrome (78277287).

The spelling of 73043250 in words is "seventy-three million, forty-three thousand, two hundred fifty".