66474200 has 96 divisors (see below), whose sum is σ = 171186960. Its totient is φ = 23846400.

The previous prime is 66474193. The next prime is 66474211. The reversal of 66474200 is 247466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95855 + ... + 96545.

Almost surely, 2^66474200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66474200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85593480).

66474200 is an abundant number, since it is smaller than the sum of its proper divisors (104712760).

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

66474200 is a wasteful number, since it uses less digits than its factorization.

66474200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 66474200 is about 8153.1711621920. The cubic root of 66474200 is about 405.0895498775.

The spelling of 66474200 in words is "sixty-six million, four hundred seventy-four thousand, two hundred".