51273724 has 6 divisors (see below), whose sum is σ = 89729024. Its totient is φ = 25636860.

The previous prime is 51273697. The next prime is 51273763. The reversal of 51273724 is 42737215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409212 + ... + 6409219.

Almost surely, 2^51273724 is an apocalyptic number.

It is an amenable number.

51273724 is a deficient number, since it is larger than the sum of its proper divisors (38455300).

51273724 is a wasteful number, since it uses less digits than its factorization.

51273724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818435 (or 12818433 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 51273724 is about 7160.5672959620. The cubic root of 51273724 is about 371.5052485541.

The spelling of 51273724 in words is "fifty-one million, two hundred seventy-three thousand, seven hundred twenty-four".