51670678 has 8 divisors (see below), whose sum is σ = 77589072. Its totient is φ = 25807656.

The previous prime is 51670651. The next prime is 51670693. The reversal of 51670678 is 87607615.

51670678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51670678.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11425 + ... + 15292.

It is an arithmetic number, because the mean of its divisors is an integer number (9698634).

Almost surely, 2^51670678 is an apocalyptic number.

51670678 is a deficient number, since it is larger than the sum of its proper divisors (25918394).

51670678 is a wasteful number, since it uses less digits than its factorization.

51670678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27686.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 51670678 is about 7188.2319105605. The cubic root of 51670678 is about 372.4614989560.

The spelling of 51670678 in words is "fifty-one million, six hundred seventy thousand, six hundred seventy-eight".