27494140 has 24 divisors (see below), whose sum is σ = 60777360. Its totient is φ = 10418688.

The previous prime is 27494101. The next prime is 27494167. The reversal of 27494140 is 4149472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35797 + ... + 36556.

It is an arithmetic number, because the mean of its divisors is an integer number (2532390).

Almost surely, 2^27494140 is an apocalyptic number.

27494140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27494140 is an abundant number, since it is smaller than the sum of its proper divisors (33283220).

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

27494140 is a wasteful number, since it uses less digits than its factorization.

27494140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72381 (or 72379 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 27494140 is about 5243.4854820053. The cubic root of 27494140 is about 301.8190954920.

It can be divided in two parts, 2749 and 4140, that added together give a square (6889 = 83²).

The spelling of 27494140 in words is "twenty-seven million, four hundred ninety-four thousand, one hundred forty".