27420040 has 64 divisors (see below), whose sum is σ = 65736000. Its totient is φ = 10264320.

The previous prime is 27420037. The next prime is 27420053. The reversal of 27420040 is 4002472.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 82675 + ... + 83005.

It is an arithmetic number, because the mean of its divisors is an integer number (1027125).

Almost surely, 2^27420040 is an apocalyptic number.

27420040 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 27420040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32868000).

27420040 is an abundant number, since it is smaller than the sum of its proper divisors (38315960).

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

27420040 is a wasteful number, since it uses less digits than its factorization.

27420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 27420040 is about 5236.4148040429. The cubic root of 27420040 is about 301.5477053334.

The spelling of 27420040 in words is "twenty-seven million, four hundred twenty thousand, forty".