51746706 has 24 divisors (see below), whose sum is σ = 122310864. Its totient is φ = 15680760.

The previous prime is 51746699. The next prime is 51746731. The reversal of 51746706 is 60764715.

51746706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 130476 + ... + 130871.

It is an arithmetic number, because the mean of its divisors is an integer number (5096286).

Almost surely, 2^51746706 is an apocalyptic number.

51746706 is an abundant number, since it is smaller than the sum of its proper divisors (70564158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51746706 is a wasteful number, since it uses less digits than its factorization.

51746706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261366 (or 261363 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 51746706 is about 7193.5183324991. The cubic root of 51746706 is about 372.6440888151.

Subtracting 51746706 from its reverse (60764715), we obtain a square (9018009 = 3003²).

The spelling of 51746706 in words is "fifty-one million, seven hundred forty-six thousand, seven hundred six".