7468381 has 2 divisors, whose sum is σ = 7468382. Its totient is φ = 7468380.

The previous prime is 7468367. The next prime is 7468393. The reversal of 7468381 is 1838647.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5480281 + 1988100 = 2341^2 + 1410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7468381 is a prime.

It is a super-2 number, since 2×7468381² = 111553429522322, which contains 22 as substring.

7468381 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7468381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7468781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3734190 + 3734191.

It is an arithmetic number, because the mean of its divisors is an integer number (3734191).

Almost surely, 2^7468381 is an apocalyptic number.

It is an amenable number.

7468381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7468381 is an equidigital number, since it uses as much as digits as its factorization.

7468381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 7468381 is about 2732.8338771319. The cubic root of 7468381 is about 195.4679185894.

The spelling of 7468381 in words is "seven million, four hundred sixty-eight thousand, three hundred eighty-one".