27904070 has 8 divisors (see below), whose sum is σ = 50227344. Its totient is φ = 11161624.

The previous prime is 27904069. The next prime is 27904073. The reversal of 27904070 is 7040972.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27904073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395194 + ... + 1395213.

It is an arithmetic number, because the mean of its divisors is an integer number (6278418).

Almost surely, 2^27904070 is an apocalyptic number.

27904070 is a deficient number, since it is larger than the sum of its proper divisors (22323274).

27904070 is a wasteful number, since it uses less digits than its factorization.

27904070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790414.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 27904070 is about 5282.4303118924. The cubic root of 27904070 is about 303.3117147040.

The spelling of 27904070 in words is "twenty-seven million, nine hundred four thousand, seventy".