7966281 has 8 divisors (see below), whose sum is σ = 10756480. Its totient is φ = 5243472.

The previous prime is 7966279. The next prime is 7966333. The reversal of 7966281 is 1826697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7966281 - 2¹ = 7966279 is a prime.

It is a super-2 number, since 2×7966281² = 126923265941922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7966261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16570 + ... + 17043.

It is an arithmetic number, because the mean of its divisors is an integer number (1344560).

Almost surely, 2^7966281 is an apocalyptic number.

It is an amenable number.

7966281 is a deficient number, since it is larger than the sum of its proper divisors (2790199).

7966281 is a wasteful number, since it uses less digits than its factorization.

7966281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33695.

The product of its digits is 36288, while the sum is 39.

The square root of 7966281 is about 2822.4600971493. The cubic root of 7966281 is about 199.7186126247.

The spelling of 7966281 in words is "seven million, nine hundred sixty-six thousand, two hundred eighty-one".