26415072 has 144 divisors (see below), whose sum is σ = 80720640. Its totient is φ = 8491392.

The previous prime is 26415049. The next prime is 26415089. The reversal of 26415072 is 27051462.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334329 + ... + 334407.

It is an arithmetic number, because the mean of its divisors is an integer number (560560).

Almost surely, 2^26415072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26415072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40360320).

26415072 is an abundant number, since it is smaller than the sum of its proper divisors (54305568).

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

26415072 is an equidigital number, since it uses as much as digits as its factorization.

26415072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 26415072 is about 5139.5595141996. The cubic root of 26415072 is about 297.8177646523.

The spelling of 26415072 in words is "twenty-six million, four hundred fifteen thousand, seventy-two".