26690534 has 16 divisors (see below), whose sum is σ = 44991072. Its totient is φ = 11782848.

The previous prime is 26690491. The next prime is 26690551. The reversal of 26690534 is 43509662.

It is a junction number, because it is equal to n+sod(n) for n = 26690494 and 26690503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21719 + ... + 22914.

It is an arithmetic number, because the mean of its divisors is an integer number (2811942).

Almost surely, 2^26690534 is an apocalyptic number.

26690534 is a deficient number, since it is larger than the sum of its proper divisors (18300538).

26690534 is a wasteful number, since it uses less digits than its factorization.

26690534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44671.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 26690534 is about 5166.2882226992. The cubic root of 26690534 is about 298.8494225091.

The spelling of 26690534 in words is "twenty-six million, six hundred ninety thousand, five hundred thirty-four".