51474670 has 16 divisors (see below), whose sum is σ = 99781920. Its totient is φ = 19005984.

The previous prime is 51474649. The next prime is 51474671. The reversal of 51474670 is 7647415.

It is a happy number.

51474670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51474671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 197850 + ... + 198109.

It is an arithmetic number, because the mean of its divisors is an integer number (6236370).

Almost surely, 2^51474670 is an apocalyptic number.

51474670 is a deficient number, since it is larger than the sum of its proper divisors (48307250).

51474670 is a wasteful number, since it uses less digits than its factorization.

51474670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395979.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 51474670 is about 7174.5850054202. The cubic root of 51474670 is about 371.9899359439.

It can be divided in two parts, 51 and 474670, that added together give a square (474721 = 689²).

The spelling of 51474670 in words is "fifty-one million, four hundred seventy-four thousand, six hundred seventy".