27680770 has 32 divisors (see below), whose sum is σ = 54432000. Its totient is φ = 10073280.

The previous prime is 27680759. The next prime is 27680771. The reversal of 27680770 is 7708672.

It is not an unprimeable number, because it can be changed into a prime (27680771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7731 + ... + 10729.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^27680770 is an apocalyptic number.

27680770 is a deficient number, since it is larger than the sum of its proper divisors (26751230).

27680770 is a wasteful number, since it uses less digits than its factorization.

27680770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 27680770 is about 5261.2517521974. The cubic root of 27680770 is about 302.5004712785.

The spelling of 27680770 in words is "twenty-seven million, six hundred eighty thousand, seven hundred seventy".