26996970 has 256 divisors, whose sum is σ = 92897280. Its totient is φ = 4838400.

The previous prime is 26996927. The next prime is 26996971. The reversal of 26996970 is 7969962.

26996970 = 235² + 236² + ... + 454².

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26996971) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 870855 + ... + 870885.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^26996970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26996970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46448640).

26996970 is an abundant number, since it is smaller than the sum of its proper divisors (65900310).

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

26996970 is a wasteful number, since it uses less digits than its factorization.

26996970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 26996970 is about 5195.8608526403. The cubic root of 26996970 is about 299.9887773580.

It can be divided in two parts, 26996 and 970, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 26996970 in words is "twenty-six million, nine hundred ninety-six thousand, nine hundred seventy".