71843464 has 64 divisors (see below), whose sum is σ = 169021440. Its totient is φ = 27812160.

The previous prime is 71843449. The next prime is 71843489. The reversal of 71843464 is 46434817.

It is a super-2 number, since 2×71843464² = 10322966639038592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137107 + ... + 137629.

It is an arithmetic number, because the mean of its divisors is an integer number (2640960).

Almost surely, 2^71843464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71843464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84510720).

71843464 is an abundant number, since it is smaller than the sum of its proper divisors (97177976).

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

71843464 is a wasteful number, since it uses less digits than its factorization.

71843464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 766 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 71843464 is about 8476.0523830378. The cubic root of 71843464 is about 415.7150569659.

It can be divided in two parts, 7184 and 3464, that added together give a cube (10648 = 22³).

The spelling of 71843464 in words is "seventy-one million, eight hundred forty-three thousand, four hundred sixty-four".