26618742 has 24 divisors (see below), whose sum is σ = 57873816. Its totient is φ = 8842176.

The previous prime is 26618737. The next prime is 26618747. The reversal of 26618742 is 24781662.

It is an interprime number because it is at equal distance from previous prime (26618737) and next prime (26618747).

It is a junction number, because it is equal to n+sod(n) for n = 26618697 and 26618706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26618747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3118 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (2411409).

Almost surely, 2^26618742 is an apocalyptic number.

26618742 is an abundant number, since it is smaller than the sum of its proper divisors (31255074).

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

26618742 is a wasteful number, since it uses less digits than its factorization.

26618742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132 (or 5129 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 26618742 is about 5159.3354223194. The cubic root of 26618742 is about 298.5812342564.

The spelling of 26618742 in words is "twenty-six million, six hundred eighteen thousand, seven hundred forty-two".