26978034 has 16 divisors (see below), whose sum is σ = 56302272. Its totient is φ = 8601648.

The previous prime is 26977991. The next prime is 26978051. The reversal of 26978034 is 43087962.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26977983 and 26978001.

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, 97609 + ... + 97884.

It is an arithmetic number, because the mean of its divisors is an integer number (3518892).

Almost surely, 2^26978034 is an apocalyptic number.

26978034 is an abundant number, since it is smaller than the sum of its proper divisors (29324238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26978034 is a wasteful number, since it uses less digits than its factorization.

26978034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195521.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 26978034 is about 5194.0383132973. The cubic root of 26978034 is about 299.9186223720.

It can be divided in two parts, 2697 and 8034, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 26978034 in words is "twenty-six million, nine hundred seventy-eight thousand, thirty-four".