66725316 has 48 divisors (see below), whose sum is σ = 197706880. Its totient is φ = 19064160.

The previous prime is 66725287. The next prime is 66725341. The reversal of 66725316 is 61352766.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 43375 + ... + 44886.

Almost surely, 2^66725316 is an apocalyptic number.

It is an amenable number.

66725316 is an abundant number, since it is smaller than the sum of its proper divisors (130981564).

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

66725316 is a wasteful number, since it uses less digits than its factorization.

66725316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88281 (or 88273 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 66725316 is about 8168.5565432333. The cubic root of 66725316 is about 405.5990038840.

The spelling of 66725316 in words is "sixty-six million, seven hundred twenty-five thousand, three hundred sixteen".