7816413 has 16 divisors (see below), whose sum is σ = 12038976. Its totient is φ = 4458240.

The previous prime is 7816409. The next prime is 7816423. The reversal of 7816413 is 3146187.

It is a happy number.

It is not a de Polignac number, because 7816413 - 2² = 7816409 is a prime.

It is a super-2 number, since 2×7816413² = 122192624373138, which contains 22 as substring.

7816413 is a lucky number.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7816423) 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, 6406 + ... + 7527.

It is an arithmetic number, because the mean of its divisors is an integer number (752436).

Almost surely, 2^7816413 is an apocalyptic number.

It is an amenable number.

7816413 is a deficient number, since it is larger than the sum of its proper divisors (4222563).

7816413 is a wasteful number, since it uses less digits than its factorization.

7816413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13964.

The product of its digits is 4032, while the sum is 30.

The square root of 7816413 is about 2795.7848629678. The cubic root of 7816413 is about 198.4582539684.

The spelling of 7816413 in words is "seven million, eight hundred sixteen thousand, four hundred thirteen".