7538761 has 2 divisors, whose sum is σ = 7538762. Its totient is φ = 7538760.

The previous prime is 7538759. The next prime is 7538771. The reversal of 7538761 is 1678357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5089536 + 2449225 = 2256^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 7538761 - 2¹ = 7538759 is a prime.

Together with 7538759, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 7⁴ + 5³ + 3¹⁰ + 8⁵ + 7⁸ + 6⁸ + 1 .

It is a self number, because there is not a number n which added to its sum of digits gives 7538761.

It is not a weakly prime, because it can be changed into another prime (7538731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3769380 + 3769381.

It is an arithmetic number, because the mean of its divisors is an integer number (3769381).

Almost surely, 2^7538761 is an apocalyptic number.

It is an amenable number.

7538761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7538761 is an equidigital number, since it uses as much as digits as its factorization.

7538761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 7538761 is about 2745.6804256869. The cubic root of 7538761 is about 196.0800121056.

The spelling of 7538761 in words is "seven million, five hundred thirty-eight thousand, seven hundred sixty-one".