71450704 has 40 divisors (see below), whose sum is σ = 149756040. Its totient is φ = 32828928.

The previous prime is 71450689. The next prime is 71450759. The reversal of 71450704 is 40705417.

It can be written as a sum of positive squares in 4 ways, for example, as 14400 + 71436304 = 120^2 + 8452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55314 + ... + 56590.

It is an arithmetic number, because the mean of its divisors is an integer number (3743901).

Almost surely, 2^71450704 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 71450704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74878020).

71450704 is an abundant number, since it is smaller than the sum of its proper divisors (78305336).

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

71450704 is a wasteful number, since it uses less digits than its factorization.

71450704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 71450704 is about 8452.8518264548. The cubic root of 71450704 is about 414.9561167127.

It can be divided in two parts, 71 and 450704, that added together give a triangular number (450775 = T₉₄₉).

The spelling of 71450704 in words is "seventy-one million, four hundred fifty thousand, seven hundred four".