7421463 has 24 divisors (see below), whose sum is σ = 12707968. Its totient is φ = 4239864.

The previous prime is 7421437. The next prime is 7421471. The reversal of 7421463 is 3641247.

It is not a de Polignac number, because 7421463 - 2⁸ = 7421207 is a prime.

It is a super-2 number, since 2×7421463² = 110156226120738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481 + ... + 3882.

Almost surely, 2^7421463 is an apocalyptic number.

7421463 is a deficient number, since it is larger than the sum of its proper divisors (5286505).

7421463 is an equidigital number, since it uses as much as digits as its factorization.

7421463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385 (or 4373 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 7421463 is about 2724.2362232376. The cubic root of 7421463 is about 195.0577343840.

The spelling of 7421463 in words is "seven million, four hundred twenty-one thousand, four hundred sixty-three".