7409966 has 8 divisors (see below), whose sum is σ = 11225304. Its totient is φ = 3668200.

The previous prime is 7409947. The next prime is 7409989. The reversal of 7409966 is 6699047.

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

It is a super-2 number, since 2×7409966² = 109815192242312, which contains 22 as substring.

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, 18140 + ... + 18543.

It is an arithmetic number, because the mean of its divisors is an integer number (1403163).

Almost surely, 2^7409966 is an apocalyptic number.

7409966 is a deficient number, since it is larger than the sum of its proper divisors (3815338).

7409966 is a wasteful number, since it uses less digits than its factorization.

7409966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36786.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 7409966 is about 2722.1252726500. The cubic root of 7409966 is about 194.9569574076.

The spelling of 7409966 in words is "seven million, four hundred nine thousand, nine hundred sixty-six".