71874055 has 32 divisors (see below), whose sum is σ = 100108800. Its totient is φ = 48988800.

The previous prime is 71874031. The next prime is 71874059. The reversal of 71874055 is 55047817.

71874055 is a nontrivial binomial coefficient, being equal to C(11990, 2).

It is not a de Polignac number, because 71874055 - 2¹³ = 71865863 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71874059) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 113590 + ... + 114220.

It is an arithmetic number, because the mean of its divisors is an integer number (3128400).

Almost surely, 2^71874055 is an apocalyptic number.

71874055 is the 11989-th triangular number and also the 5995-th hexagonal number.

71874055 is the 3997-th centered nonagonal number.

71874055 is a deficient number, since it is larger than the sum of its proper divisors (28234745).

71874055 is a wasteful number, since it uses less digits than its factorization.

71874055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 71874055 is about 8477.8567456640. The cubic root of 71874055 is about 415.7740525192.

The spelling of 71874055 in words is "seventy-one million, eight hundred seventy-four thousand, fifty-five".