71874855 has 48 divisors (see below), whose sum is σ = 135145920. Its totient is φ = 35335872.

The previous prime is 71874823. The next prime is 71874857. The reversal of 71874855 is 55847817.

It is a happy number.

It is not a de Polignac number, because 71874855 - 2⁵ = 71874823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 71874855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71874857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98502 + ... + 99228.

It is an arithmetic number, because the mean of its divisors is an integer number (2815540).

Almost surely, 2^71874855 is an apocalyptic number.

71874855 is a deficient number, since it is larger than the sum of its proper divisors (63271065).

71874855 is a wasteful number, since it uses less digits than its factorization.

71874855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 748 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 71874855 is about 8477.9039272688. The cubic root of 71874855 is about 415.7755951158.

The spelling of 71874855 in words is "seventy-one million, eight hundred seventy-four thousand, eight hundred fifty-five".