27745130 has 64 divisors (see below), whose sum is σ = 62760960. Its totient is φ = 8610624.

The previous prime is 27745099. The next prime is 27745147. The reversal of 27745130 is 3154772.

It is a junction number, because it is equal to n+sod(n) for n = 27745093 and 27745102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30137 + ... + 31043.

It is an arithmetic number, because the mean of its divisors is an integer number (980640).

Almost surely, 2^27745130 is an apocalyptic number.

27745130 is an abundant number, since it is smaller than the sum of its proper divisors (35015830).

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

27745130 is a wasteful number, since it uses less digits than its factorization.

27745130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 27745130 is about 5267.3646162004. The cubic root of 27745130 is about 302.7347357258.

The spelling of 27745130 in words is "twenty-seven million, seven hundred forty-five thousand, one hundred thirty".