73540250 has 32 divisors (see below), whose sum is σ = 157337856. Its totient is φ = 25213200.

The previous prime is 73540219. The next prime is 73540261. The reversal of 73540250 is 5204537.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19262 + ... + 22761.

It is an arithmetic number, because the mean of its divisors is an integer number (4916808).

Almost surely, 2^73540250 is an apocalyptic number.

73540250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73540250 is an abundant number, since it is smaller than the sum of its proper divisors (83797606).

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

73540250 is a wasteful number, since it uses less digits than its factorization.

73540250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42047 (or 42037 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 73540250 is about 8575.5612061252. The cubic root of 73540250 is about 418.9623857645.

Adding to 73540250 its reverse (5204537), we get a palindrome (78744787).

The spelling of 73540250 in words is "seventy-three million, five hundred forty thousand, two hundred fifty".