71404760 has 96 divisors (see below), whose sum is σ = 197976960. Its totient is φ = 23030784.

The previous prime is 71404759. The next prime is 71404769. The reversal of 71404760 is 6740417.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71404769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32249 + ... + 34391.

It is an arithmetic number, because the mean of its divisors is an integer number (2062260).

Almost surely, 2^71404760 is an apocalyptic number.

71404760 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 71404760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98988480).

71404760 is an abundant number, since it is smaller than the sum of its proper divisors (126572200).

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

71404760 is a wasteful number, since it uses less digits than its factorization.

71404760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 71404760 is about 8450.1337267525. The cubic root of 71404760 is about 414.8671563968.

The spelling of 71404760 in words is "seventy-one million, four hundred four thousand, seven hundred sixty".