51673694 has 8 divisors (see below), whose sum is σ = 79401168. Its totient is φ = 25206640.

The previous prime is 51673681. The next prime is 51673703. The reversal of 51673694 is 49637615.

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

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 315002 + ... + 315165.

It is an arithmetic number, because the mean of its divisors is an integer number (9925146).

Almost surely, 2^51673694 is an apocalyptic number.

51673694 is a deficient number, since it is larger than the sum of its proper divisors (27727474).

51673694 is a wasteful number, since it uses less digits than its factorization.

51673694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630210.

The product of its digits is 136080, while the sum is 41.

The square root of 51673694 is about 7188.4416948321. The cubic root of 51673694 is about 372.4687456323.

The spelling of 51673694 in words is "fifty-one million, six hundred seventy-three thousand, six hundred ninety-four".