71044074 has 32 divisors (see below), whose sum is σ = 158365440. Its totient is φ = 23607936.

The previous prime is 71044073. The next prime is 71044093. The reversal of 71044074 is 47044017.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71044073) 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 15 ways as a sum of consecutive naturals, for example, 17199 + ... + 20925.

It is an arithmetic number, because the mean of its divisors is an integer number (4948920).

Almost surely, 2^71044074 is an apocalyptic number.

71044074 is an abundant number, since it is smaller than the sum of its proper divisors (87321366).

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

71044074 is a wasteful number, since it uses less digits than its factorization.

71044074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091 (or 4085 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 71044074 is about 8428.7646781720. The cubic root of 71044074 is about 414.1674390977.

The spelling of 71044074 in words is "seventy-one million, forty-four thousand, seventy-four".