71470000 has 100 divisors (see below), whose sum is σ = 197949136. Its totient is φ = 24480000.

The previous prime is 71469971. The next prime is 71470013. The reversal of 71470000 is 7417.

It is a tau number, because it is divible by the number of its divisors (100).

It is a self number, because there is not a number n which added to its sum of digits gives 71470000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69490 + ... + 70510.

Almost surely, 2^71470000 is an apocalyptic number.

71470000 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 71470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98974568).

71470000 is an abundant number, since it is smaller than the sum of its proper divisors (126479136).

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

71470000 is a wasteful number, since it uses less digits than its factorization.

71470000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 71470000 is about 8453.9931393395. The cubic root of 71470000 is about 414.9934677445.

Adding to 71470000 its reverse (7417), we get a palindrome (71477417).

The spelling of 71470000 in words is "seventy-one million, four hundred seventy thousand".