7812416 has 14 divisors (see below), whose sum is σ = 15502890. Its totient is φ = 3906176.

The previous prime is 7812407. The next prime is 7812421. The reversal of 7812416 is 6142187.

It can be written as a sum of positive squares in only one way, i.e., 4426816 + 3385600 = 2104^2 + 1840^2 .

It is a super-2 number, since 2×7812416² = 122067687514112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60971 + ... + 61098.

Almost surely, 2^7812416 is an apocalyptic number.

It is an amenable number.

7812416 is a deficient number, since it is larger than the sum of its proper divisors (7690474).

7812416 is a wasteful number, since it uses less digits than its factorization.

7812416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122081 (or 122071 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 7812416 is about 2795.0699454575. The cubic root of 7812416 is about 198.4244203378.

It can be divided in two parts, 7812 and 416, that added together give a palindrome (8228).

The spelling of 7812416 in words is "seven million, eight hundred twelve thousand, four hundred sixteen".