27401742 has 24 divisors (see below), whose sum is σ = 60492744. Its totient is φ = 8961264.

The previous prime is 27401741. The next prime is 27401753. The reversal of 27401742 is 24710472.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27401741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13408 + ... + 15315.

It is an arithmetic number, because the mean of its divisors is an integer number (2520531).

Almost surely, 2^27401742 is an apocalyptic number.

27401742 is an abundant number, since it is smaller than the sum of its proper divisors (33091002).

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

27401742 is a wasteful number, since it uses less digits than its factorization.

27401742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28784 (or 28781 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 27401742 is about 5234.6673246731. The cubic root of 27401742 is about 301.4806139198.

The spelling of 27401742 in words is "twenty-seven million, four hundred one thousand, seven hundred forty-two".