71474187 has 4 divisors (see below), whose sum is σ = 95298920. Its totient is φ = 47649456.

The previous prime is 71474177. The next prime is 71474201. The reversal of 71474187 is 78147417.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 71474187 - 2⁸ = 71473931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71474167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11912362 + ... + 11912367.

It is an arithmetic number, because the mean of its divisors is an integer number (23824730).

Almost surely, 2^71474187 is an apocalyptic number.

71474187 is a deficient number, since it is larger than the sum of its proper divisors (23824733).

71474187 is a wasteful number, since it uses less digits than its factorization.

71474187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23824732.

The product of its digits is 43904, while the sum is 39.

The square root of 71474187 is about 8454.2407701697. The cubic root of 71474187 is about 415.0015715816.

The spelling of 71474187 in words is "seventy-one million, four hundred seventy-four thousand, one hundred eighty-seven".