66272376 has 64 divisors (see below), whose sum is σ = 169361280. Its totient is φ = 21607040.

The previous prime is 66272351. The next prime is 66272383. The reversal of 66272376 is 67327266.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent 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, 336310 + ... + 336506.

It is an arithmetic number, because the mean of its divisors is an integer number (2646270).

Almost surely, 2^66272376 is an apocalyptic number.

It is an amenable number.

66272376 is an abundant number, since it is smaller than the sum of its proper divisors (103088904).

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

66272376 is a wasteful number, since it uses less digits than its factorization.

66272376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 440 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 66272376 is about 8140.7847287593. The cubic root of 66272376 is about 404.6791667291.

The spelling of 66272376 in words is "sixty-six million, two hundred seventy-two thousand, three hundred seventy-six".