7420668 has 24 divisors (see below), whose sum is σ = 17364480. Its totient is φ = 2466480.

The previous prime is 7420661. The next prime is 7420681. The reversal of 7420668 is 8660247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420661) 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, 5103 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (723520).

Almost surely, 2^7420668 is an apocalyptic number.

It is an amenable number.

7420668 is an abundant number, since it is smaller than the sum of its proper divisors (9943812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7420668 is a wasteful number, since it uses less digits than its factorization.

7420668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 7420668 is about 2724.0903068731. The cubic root of 7420668 is about 195.0507691609.

The spelling of 7420668 in words is "seven million, four hundred twenty thousand, six hundred sixty-eight".