27426740 has 48 divisors (see below), whose sum is σ = 63927360. Its totient is φ = 9799680.

The previous prime is 27426727. The next prime is 27426761. The reversal of 27426740 is 4762472.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27426697 and 27426706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11924 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (1331820).

Almost surely, 2^27426740 is an apocalyptic number.

27426740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27426740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31963680).

27426740 is an abundant number, since it is smaller than the sum of its proper divisors (36500620).

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

27426740 is a wasteful number, since it uses less digits than its factorization.

27426740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 27426740 is about 5237.0545156605. The cubic root of 27426740 is about 301.5722640757.

The spelling of 27426740 in words is "twenty-seven million, four hundred twenty-six thousand, seven hundred forty".