51274374 has 8 divisors (see below), whose sum is σ = 102548760. Its totient is φ = 17091456.

The previous prime is 51274253. The next prime is 51274381. The reversal of 51274374 is 47347215.

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

51274374 is an admirable number.

It is a super-2 number, since 2×51274374² = 5258122858183752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4272859 + ... + 4272870.

It is an arithmetic number, because the mean of its divisors is an integer number (12818595).

Almost surely, 2^51274374 is an apocalyptic number.

51274374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51274374 is a wasteful number, since it uses less digits than its factorization.

51274374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545734.

The product of its digits is 23520, while the sum is 33.

The square root of 51274374 is about 7160.6126832835. The cubic root of 51274374 is about 371.5068184121.

The spelling of 51274374 in words is "fifty-one million, two hundred seventy-four thousand, three hundred seventy-four".