7416921 has 8 divisors (see below), whose sum is σ = 9902080. Its totient is φ = 4938192.

The previous prime is 7416917. The next prime is 7416931. The reversal of 7416921 is 1296147.

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 7416921 - 2² = 7416917 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7416931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871 + ... + 4803.

It is an arithmetic number, because the mean of its divisors is an integer number (1237760).

Almost surely, 2^7416921 is an apocalyptic number.

It is an amenable number.

7416921 is a deficient number, since it is larger than the sum of its proper divisors (2485159).

7416921 is a wasteful number, since it uses less digits than its factorization.

7416921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215.

The product of its digits is 3024, while the sum is 30.

The square root of 7416921 is about 2723.4024675027. The cubic root of 7416921 is about 195.0179339193.

The spelling of 7416921 in words is "seven million, four hundred sixteen thousand, nine hundred twenty-one".