71706460 has 48 divisors (see below), whose sum is σ = 173182464. Its totient is φ = 24429888.

The previous prime is 71706457. The next prime is 71706463. The reversal of 71706460 is 6460717.

It is an interprime number because it is at equal distance from previous prime (71706457) and next prime (71706463).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71706463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21847 + ... + 24913.

It is an arithmetic number, because the mean of its divisors is an integer number (3607968).

Almost surely, 2^71706460 is an apocalyptic number.

71706460 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71706460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86591232).

71706460 is an abundant number, since it is smaller than the sum of its proper divisors (101476004).

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

71706460 is a wasteful number, since it uses less digits than its factorization.

71706460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250 (or 3248 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 71706460 is about 8467.9666980923. The cubic root of 71706460 is about 415.4506354738.

The spelling of 71706460 in words is "seventy-one million, seven hundred six thousand, four hundred sixty".