51347274 has 16 divisors (see below), whose sum is σ = 112030560. Its totient is φ = 15559760.

The previous prime is 51347273. The next prime is 51347281. The reversal of 51347274 is 47274315.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (51347273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388929 + ... + 389060.

It is an arithmetic number, because the mean of its divisors is an integer number (7001910).

Almost surely, 2^51347274 is an apocalyptic number.

51347274 is an abundant number, since it is smaller than the sum of its proper divisors (60683286).

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

51347274 is a wasteful number, since it uses less digits than its factorization.

51347274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778005.

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

The square root of 51347274 is about 7165.7012217926. The cubic root of 51347274 is about 371.6827999012.

The spelling of 51347274 in words is "fifty-one million, three hundred forty-seven thousand, two hundred seventy-four".