7413681 has 16 divisors (see below), whose sum is σ = 11132928. Its totient is φ = 4347600.

The previous prime is 7413677. The next prime is 7413689. The reversal of 7413681 is 1863147.

It is a happy number.

It is not a de Polignac number, because 7413681 - 2² = 7413677 is a prime.

It is a super-2 number, since 2×7413681² = 109925331939522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7413689) 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 15 ways as a sum of consecutive naturals, for example, 2601 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (695808).

Almost surely, 2^7413681 is an apocalyptic number.

It is an amenable number.

7413681 is a deficient number, since it is larger than the sum of its proper divisors (3719247).

7413681 is a wasteful number, since it uses less digits than its factorization.

7413681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292.

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

The square root of 7413681 is about 2722.8075583853. The cubic root of 7413681 is about 194.9895326400.

It can be divided in two parts, 7413 and 681, that multiplied together give a triangular number (5048253 = T₃₁₇₇).

The spelling of 7413681 in words is "seven million, four hundred thirteen thousand, six hundred eighty-one".