7421968 has 10 divisors (see below), whose sum is σ = 14380094. Its totient is φ = 3710976.

The previous prime is 7421963. The next prime is 7421987. The reversal of 7421968 is 8691247.

It can be written as a sum of positive squares in only one way, i.e., 4210704 + 3211264 = 2052^2 + 1792^2 .

It is not an unprimeable number, because it can be changed into a prime (7421963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231921 + ... + 231952.

Almost surely, 2^7421968 is an apocalyptic number.

It is an amenable number.

7421968 is a deficient number, since it is larger than the sum of its proper divisors (6958126).

7421968 is a wasteful number, since it uses less digits than its factorization.

7421968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463881 (or 463875 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 7421968 is about 2724.3289081901. The cubic root of 7421968 is about 195.0621585755.

The spelling of 7421968 in words is "seven million, four hundred twenty-one thousand, nine hundred sixty-eight".