26787642 has 32 divisors (see below), whose sum is σ = 62074752. Its totient is φ = 7547904.

The previous prime is 26787641. The next prime is 26787647. The reversal of 26787642 is 24678762.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 26787594 and 26787603.

It is not an unprimeable number, because it can be changed into a prime (26787641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303 + ... + 7434.

It is an arithmetic number, because the mean of its divisors is an integer number (1939836).

Almost surely, 2^26787642 is an apocalyptic number.

26787642 is an abundant number, since it is smaller than the sum of its proper divisors (35287110).

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

26787642 is a wasteful number, since it uses less digits than its factorization.

26787642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822.

The product of its digits is 225792, while the sum is 42.

The square root of 26787642 is about 5175.6779266102. The cubic root of 26787642 is about 299.2114178324.

The spelling of 26787642 in words is "twenty-six million, seven hundred eighty-seven thousand, six hundred forty-two".