7434921 has 8 divisors (see below), whose sum is σ = 10675840. Its totient is φ = 4575312.

The previous prime is 7434901. The next prime is 7434949. The reversal of 7434921 is 1294347.

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 7434921 - 2⁶ = 7434857 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 (7434901) 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, 95281 + ... + 95358.

It is an arithmetic number, because the mean of its divisors is an integer number (1334480).

Almost surely, 2^7434921 is an apocalyptic number.

It is an amenable number.

7434921 is a deficient number, since it is larger than the sum of its proper divisors (3240919).

7434921 is a wasteful number, since it uses less digits than its factorization.

7434921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190655.

The product of its digits is 6048, while the sum is 30.

The square root of 7434921 is about 2726.7051545776. The cubic root of 7434921 is about 195.1755683752.

The spelling of 7434921 in words is "seven million, four hundred thirty-four thousand, nine hundred twenty-one".