51742174 has 16 divisors (see below), whose sum is σ = 86106240. Its totient is φ = 23119960.

The previous prime is 51742147. The next prime is 51742183. The reversal of 51742174 is 47124715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18634 + ... + 21229.

It is an arithmetic number, because the mean of its divisors is an integer number (5381640).

Almost surely, 2^51742174 is an apocalyptic number.

51742174 is a deficient number, since it is larger than the sum of its proper divisors (34364066).

51742174 is a wasteful number, since it uses less digits than its factorization.

51742174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39935.

The product of its digits is 7840, while the sum is 31.

The square root of 51742174 is about 7193.2033198013. The cubic root of 51742174 is about 372.6332097180.

Adding to 51742174 its reverse (47124715), we get a palindrome (98866889).

The spelling of 51742174 in words is "fifty-one million, seven hundred forty-two thousand, one hundred seventy-four".