71481914 has 16 divisors (see below), whose sum is σ = 128990400. Its totient is φ = 29022624.

The previous prime is 71481913. The next prime is 71481929. The reversal of 71481914 is 41918417.

It is not an unprimeable number, because it can be changed into a prime (71481911) 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, 134099 + ... + 134630.

It is an arithmetic number, because the mean of its divisors is an integer number (8061900).

Almost surely, 2^71481914 is an apocalyptic number.

71481914 is a deficient number, since it is larger than the sum of its proper divisors (57508486).

71481914 is a wasteful number, since it uses less digits than its factorization.

71481914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268757.

The product of its digits is 8064, while the sum is 35.

The square root of 71481914 is about 8454.6977474065. The cubic root of 71481914 is about 415.0165261721.

It can be divided in two parts, 714 and 81914, that added together give a palindrome (82628).

The spelling of 71481914 in words is "seventy-one million, four hundred eighty-one thousand, nine hundred fourteen".