71030700 has 162 divisors, whose sum is σ = 241601724. Its totient is φ = 17447040.

The previous prime is 71030681. The next prime is 71030747. The reversal of 71030700 is 703017.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 151867 + ... + 152333.

Almost surely, 2^71030700 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 71030700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120800862).

71030700 is an abundant number, since it is smaller than the sum of its proper divisors (170571024).

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

71030700 is a wasteful number, since it uses less digits than its factorization.

71030700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 71030700 is about 8427.9712861400. The cubic root of 71030700 is about 414.1414485511.

Adding to 71030700 its reverse (703017), we get a palindrome (71733717).

The spelling of 71030700 in words is "seventy-one million, thirty thousand, seven hundred".