71181464 has 16 divisors (see below), whose sum is σ = 135074520. Its totient is φ = 35161600.

The previous prime is 71181463. The next prime is 71181479. The reversal of 71181464 is 46418117.

It is a self number, because there is not a number n which added to its sum of digits gives 71181464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71181463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52937 + ... + 54264.

Almost surely, 2^71181464 is an apocalyptic number.

It is an amenable number.

71181464 is a deficient number, since it is larger than the sum of its proper divisors (63893056).

71181464 is a wasteful number, since it uses less digits than its factorization.

71181464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107290 (or 107286 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 71181464 is about 8436.9108090580. The cubic root of 71181464 is about 414.4342491681.

The spelling of 71181464 in words is "seventy-one million, one hundred eighty-one thousand, four hundred sixty-four".