51678674 has 16 divisors (see below), whose sum is σ = 84727296. Its totient is φ = 23534400.

The previous prime is 51678637. The next prime is 51678703. The reversal of 51678674 is 47687615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23462 + ... + 25569.

It is an arithmetic number, because the mean of its divisors is an integer number (5295456).

Almost surely, 2^51678674 is an apocalyptic number.

51678674 is a deficient number, since it is larger than the sum of its proper divisors (33048622).

51678674 is a wasteful number, since it uses less digits than its factorization.

51678674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49081.

The product of its digits is 282240, while the sum is 44.

The square root of 51678674 is about 7188.7880758859. The cubic root of 51678674 is about 372.4807106808.

The spelling of 51678674 in words is "fifty-one million, six hundred seventy-eight thousand, six hundred seventy-four".