27828470 has 8 divisors (see below), whose sum is σ = 50091264. Its totient is φ = 11131384.

The previous prime is 27828469. The next prime is 27828481. The reversal of 27828470 is 7482872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391414 + ... + 1391433.

It is an arithmetic number, because the mean of its divisors is an integer number (6261408).

Almost surely, 2^27828470 is an apocalyptic number.

27828470 is a deficient number, since it is larger than the sum of its proper divisors (22262794).

27828470 is a wasteful number, since it uses less digits than its factorization.

27828470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782854.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 27828470 is about 5275.2696613538. The cubic root of 27828470 is about 303.0375479470.

The spelling of 27828470 in words is "twenty-seven million, eight hundred twenty-eight thousand, four hundred seventy".