66413276 has 12 divisors (see below), whose sum is σ = 119058240. Its totient is φ = 32396640.

The previous prime is 66413159. The next prime is 66413287. The reversal of 66413276 is 67231466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202316 + ... + 202643.

It is an arithmetic number, because the mean of its divisors is an integer number (9921520).

Almost surely, 2^66413276 is an apocalyptic number.

It is an amenable number.

66413276 is a deficient number, since it is larger than the sum of its proper divisors (52644964).

66413276 is a wasteful number, since it uses less digits than its factorization.

66413276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405004 (or 405002 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 66413276 is about 8149.4340907820. The cubic root of 66413276 is about 404.9657563894.

The spelling of 66413276 in words is "sixty-six million, four hundred thirteen thousand, two hundred seventy-six".