7812481 has 8 divisors (see below), whose sum is σ = 8054784. Its totient is φ = 7573440.

The previous prime is 7812463. The next prime is 7812487. The reversal of 7812481 is 1842187.

7812481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7812481 - 2⁵ = 7812449 is a prime.

It is a super-2 number, since 2×7812481² = 122069718750722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7812487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4576 + ... + 6046.

It is an arithmetic number, because the mean of its divisors is an integer number (1006848).

Almost surely, 2^7812481 is an apocalyptic number.

It is an amenable number.

7812481 is a deficient number, since it is larger than the sum of its proper divisors (242303).

7812481 is a wasteful number, since it uses less digits than its factorization.

7812481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its digits is 3584, while the sum is 31.

The square root of 7812481 is about 2795.0815730493. The cubic root of 7812481 is about 198.4249706393.

The spelling of 7812481 in words is "seven million, eight hundred twelve thousand, four hundred eighty-one".