7120666 has 8 divisors (see below), whose sum is σ = 12206880. Its totient is φ = 3051708.

The previous prime is 7120657. The next prime is 7120679. The reversal of 7120666 is 6660217.

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

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, 254296 + ... + 254323.

It is an arithmetic number, because the mean of its divisors is an integer number (1525860).

Almost surely, 2^7120666 is an apocalyptic number.

7120666 is a deficient number, since it is larger than the sum of its proper divisors (5086214).

7120666 is a wasteful number, since it uses less digits than its factorization.

7120666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508628.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 7120666 is about 2668.4576069333. The cubic root of 7120666 is about 192.3860325008.

The spelling of 7120666 in words is "seven million, one hundred twenty thousand, six hundred sixty-six".