27043968 has 64 divisors (see below), whose sum is σ = 82105920. Its totient is φ = 7726080.

The previous prime is 27043967. The next prime is 27043987. The reversal of 27043968 is 86934072.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (27043967) 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, 2343 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (1282905).

Almost surely, 2^27043968 is an apocalyptic number.

27043968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27043968 is an abundant number, since it is smaller than the sum of its proper divisors (55061952).

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

27043968 is a wasteful number, since it uses less digits than its factorization.

27043968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085 (or 10073 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 27043968 is about 5200.3815244653. The cubic root of 27043968 is about 300.1627561300.

The spelling of 27043968 in words is "twenty-seven million, forty-three thousand, nine hundred sixty-eight".