71808074 has 16 divisors (see below), whose sum is σ = 117966240. Its totient is φ = 32579760.

The previous prime is 71808073. The next prime is 71808103. The reversal of 71808074 is 47080817.

It is not an unprimeable number, because it can be changed into a prime (71808073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21872 + ... + 24939.

It is an arithmetic number, because the mean of its divisors is an integer number (7372890).

Almost surely, 2^71808074 is an apocalyptic number.

71808074 is a deficient number, since it is larger than the sum of its proper divisors (46158166).

71808074 is a wasteful number, since it uses less digits than its factorization.

71808074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46885.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 71808074 is about 8473.9644795102. The cubic root of 71808074 is about 415.6467855164.

It can be divided in two parts, 7 and 1808074, that added together give a palindrome (1808081).

The spelling of 71808074 in words is "seventy-one million, eight hundred eight thousand, seventy-four".