26530761 has 32 divisors (see below), whose sum is σ = 39287808. Its totient is φ = 15851520.

The previous prime is 26530759. The next prime is 26530769. The reversal of 26530761 is 16703562.

It is not a de Polignac number, because 26530761 - 2¹ = 26530759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26530769) 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 31 ways as a sum of consecutive naturals, for example, 153271 + ... + 153443.

It is an arithmetic number, because the mean of its divisors is an integer number (1227744).

Almost surely, 2^26530761 is an apocalyptic number.

It is an amenable number.

26530761 is a deficient number, since it is larger than the sum of its proper divisors (12757047).

26530761 is a wasteful number, since it uses less digits than its factorization.

26530761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 26530761 is about 5150.8019763916. The cubic root of 26530761 is about 298.2519115179.

The spelling of 26530761 in words is "twenty-six million, five hundred thirty thousand, seven hundred sixty-one".