7066491 has 8 divisors (see below), whose sum is σ = 9641280. Its totient is φ = 4601352.

The previous prime is 7066487. The next prime is 7066523. The reversal of 7066491 is 1946607.

It is a happy number.

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

It is not a de Polignac number, because 7066491 - 2² = 7066487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7066091) 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, 27261 + ... + 27518.

It is an arithmetic number, because the mean of its divisors is an integer number (1205160).

Almost surely, 2^7066491 is an apocalyptic number.

7066491 is a deficient number, since it is larger than the sum of its proper divisors (2574789).

7066491 is a wasteful number, since it uses less digits than its factorization.

7066491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54825.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 7066491 is about 2658.2872305302. The cubic root of 7066491 is about 191.8968901663.

It can be divided in two parts, 7066 and 491, that added together give a palindrome (7557).

The spelling of 7066491 in words is "seven million, sixty-six thousand, four hundred ninety-one".