71223464 has 16 divisors (see below), whose sum is σ = 143816820. Its totient is φ = 32872320.

The previous prime is 71223413. The next prime is 71223487. The reversal of 71223464 is 46432217.

It can be written as a sum of positive squares in 2 ways, for example, as 62568100 + 8655364 = 7910^2 + 2942^2 .

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, 342317 + ... + 342524.

Almost surely, 2^71223464 is an apocalyptic number.

It is an amenable number.

71223464 is an abundant number, since it is smaller than the sum of its proper divisors (72593356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71223464 is a wasteful number, since it uses less digits than its factorization.

71223464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684860 (or 684856 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 71223464 is about 8439.3995047041. The cubic root of 71223464 is about 414.5157442426.

The spelling of 71223464 in words is "seventy-one million, two hundred twenty-three thousand, four hundred sixty-four".