7421673 has 16 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 3991296.

The previous prime is 7421641. The next prime is 7421677. The reversal of 7421673 is 3761247.

It is not a de Polignac number, because 7421673 - 2⁵ = 7421641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7421673.

It is not an unprimeable number, because it can be changed into a prime (7421677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10038 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^7421673 is an apocalyptic number.

It is an amenable number.

7421673 is a deficient number, since it is larger than the sum of its proper divisors (4553367).

7421673 is a wasteful number, since it uses less digits than its factorization.

7421673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20816.

The product of its digits is 7056, while the sum is 30.

The square root of 7421673 is about 2724.2747658781. The cubic root of 7421673 is about 195.0595741712.

It can be divided in two parts, 742 and 1673, that added together give a triangular number (2415 = T₆₉).

The spelling of 7421673 in words is "seven million, four hundred twenty-one thousand, six hundred seventy-three".