27494420 has 12 divisors (see below), whose sum is σ = 57738324. Its totient is φ = 10997760.

The previous prime is 27494419. The next prime is 27494429. The reversal of 27494420 is 2449472.

It can be written as a sum of positive squares in 2 ways, for example, as 7118224 + 20376196 = 2668^2 + 4514^2 .

It is a super-2 number, since 2×27494420² = 1511886262272800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27494429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687341 + ... + 687380.

It is an arithmetic number, because the mean of its divisors is an integer number (4811527).

Almost surely, 2^27494420 is an apocalyptic number.

27494420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27494420 is an abundant number, since it is smaller than the sum of its proper divisors (30243904).

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

27494420 is a wasteful number, since it uses less digits than its factorization.

27494420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374730 (or 1374728 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 27494420 is about 5243.5121817347. The cubic root of 27494420 is about 301.8201200626.

The spelling of 27494420 in words is "twenty-seven million, four hundred ninety-four thousand, four hundred twenty".