73742250 has 32 divisors (see below), whose sum is σ = 184062528. Its totient is φ = 19664400.

The previous prime is 73742219. The next prime is 73742261. The reversal of 73742250 is 5224737.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 48412 + ... + 49911.

It is an arithmetic number, because the mean of its divisors is an integer number (5751954).

Almost surely, 2^73742250 is an apocalyptic number.

73742250 is an abundant number, since it is smaller than the sum of its proper divisors (110320278).

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

73742250 is a wasteful number, since it uses less digits than its factorization.

73742250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98343 (or 98333 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 73742250 is about 8587.3307843590. The cubic root of 73742250 is about 419.3456363540.

Adding to 73742250 its reverse (5224737), we get a palindrome (78966987).

The spelling of 73742250 in words is "seventy-three million, seven hundred forty-two thousand, two hundred fifty".