71874634 has 16 divisors (see below), whose sum is σ = 117024768. Its totient is φ = 32910192.

The previous prime is 71874631. The next prime is 71874643. The reversal of 71874634 is 43647817.

It is not an unprimeable number, because it can be changed into a prime (71874631) 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, 7582 + ... + 14185.

It is an arithmetic number, because the mean of its divisors is an integer number (7314048).

Almost surely, 2^71874634 is an apocalyptic number.

71874634 is a deficient number, since it is larger than the sum of its proper divisors (45150134).

71874634 is a wasteful number, since it uses less digits than its factorization.

71874634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21909.

The product of its digits is 112896, while the sum is 40.

The square root of 71874634 is about 8477.8908933767. The cubic root of 71874634 is about 415.7751689746.

The spelling of 71874634 in words is "seventy-one million, eight hundred seventy-four thousand, six hundred thirty-four".