27485740 has 24 divisors (see below), whose sum is σ = 58700880. Its totient is φ = 10807488.

The previous prime is 27485737. The next prime is 27485749. The reversal of 27485740 is 4758472.

It is a self number, because there is not a number n which added to its sum of digits gives 27485740.

It is not an unprimeable number, because it can be changed into a prime (27485749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10467 + ... + 12826.

It is an arithmetic number, because the mean of its divisors is an integer number (2445870).

Almost surely, 2^27485740 is an apocalyptic number.

27485740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27485740 is an abundant number, since it is smaller than the sum of its proper divisors (31215140).

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

27485740 is a wasteful number, since it uses less digits than its factorization.

27485740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23361 (or 23359 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 27485740 is about 5242.6844268943. The cubic root of 27485740 is about 301.7883551399.

The spelling of 27485740 in words is "twenty-seven million, four hundred eighty-five thousand, seven hundred forty".