71224486 has 8 divisors (see below), whose sum is σ = 106929864. Its totient is φ = 35581200.

The previous prime is 71224477. The next prime is 71224499. The reversal of 71224486 is 68442217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12540 + ... + 17311.

It is an arithmetic number, because the mean of its divisors is an integer number (13366233).

Almost surely, 2^71224486 is an apocalyptic number.

71224486 is a deficient number, since it is larger than the sum of its proper divisors (35705378).

71224486 is a wasteful number, since it uses less digits than its factorization.

71224486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31046.

The product of its digits is 21504, while the sum is 34.

The square root of 71224486 is about 8439.4600538186. The cubic root of 71224486 is about 414.5177268901.

The spelling of 71224486 in words is "seventy-one million, two hundred twenty-four thousand, four hundred eighty-six".