73028250 has 128 divisors (see below), whose sum is σ = 209664000. Its totient is φ = 18792000.

The previous prime is 73028231. The next prime is 73028299. The reversal of 73028250 is 5282037.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 209076 + ... + 209424.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000).

Almost surely, 2^73028250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73028250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104832000).

73028250 is an abundant number, since it is smaller than the sum of its proper divisors (136635750).

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

73028250 is a wasteful number, since it uses less digits than its factorization.

73028250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 390 counting only the distinct ones).

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

The square root of 73028250 is about 8545.6567916106. The cubic root of 73028250 is about 417.9878242525.

The spelling of 73028250 in words is "seventy-three million, twenty-eight thousand, two hundred fifty".