27078428 has 24 divisors (see below), whose sum is σ = 51614640. Its totient is φ = 12355200.

The previous prime is 27078427. The next prime is 27078473. The reversal of 27078428 is 82487072.

It is a junction number, because it is equal to n+sod(n) for n = 27078391 and 27078400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27078427) 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, 1703 + ... + 7553.

It is an arithmetic number, because the mean of its divisors is an integer number (2150610).

Almost surely, 2^27078428 is an apocalyptic number.

It is an amenable number.

27078428 is a deficient number, since it is larger than the sum of its proper divisors (24536212).

27078428 is a wasteful number, since it uses less digits than its factorization.

27078428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957 (or 5955 counting only the distinct ones).

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

The square root of 27078428 is about 5203.6936881411. The cubic root of 27078428 is about 300.2901932764.

The spelling of 27078428 in words is "twenty-seven million, seventy-eight thousand, four hundred twenty-eight".