66030250 has 64 divisors (see below), whose sum is σ = 145297152. Its totient is φ = 22152000.

The previous prime is 66030233. The next prime is 66030269. The reversal of 66030250 is 5203066.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 34827 + ... + 36673.

It is an arithmetic number, because the mean of its divisors is an integer number (2270268).

Almost surely, 2^66030250 is an apocalyptic number.

66030250 is an abundant number, since it is smaller than the sum of its proper divisors (79266902).

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

66030250 is a wasteful number, since it uses less digits than its factorization.

66030250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 66030250 is about 8125.8999501594. The cubic root of 66030250 is about 404.1857337989.

The spelling of 66030250 in words is "sixty-six million, thirty thousand, two hundred fifty".