7421315 has 16 divisors (see below), whose sum is σ = 9884160. Its totient is φ = 5303520.

The previous prime is 7421263. The next prime is 7421329. The reversal of 7421315 is 5131247.

It is not a de Polignac number, because 7421315 - 2⁶ = 7421251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2102 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (617760).

Almost surely, 2^7421315 is an apocalyptic number.

7421315 is a deficient number, since it is larger than the sum of its proper divisors (2462845).

7421315 is a wasteful number, since it uses less digits than its factorization.

7421315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362.

The product of its digits is 840, while the sum is 23.

The square root of 7421315 is about 2724.2090595254. The cubic root of 7421315 is about 195.0564377512.

The spelling of 7421315 in words is "seven million, four hundred twenty-one thousand, three hundred fifteen".