71630010 has 48 divisors (see below), whose sum is σ = 197197416. Its totient is φ = 17977344.

The previous prime is 71629997. The next prime is 71630033. The reversal of 71630010 is 1003617.

It can be written as a sum of positive squares in 4 ways, for example, as 69205761 + 2424249 = 8319^2 + 1557^2 .

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 23 ways as a sum of consecutive naturals, for example, 21879 + ... + 24938.

Almost surely, 2^71630010 is an apocalyptic number.

71630010 is an abundant number, since it is smaller than the sum of its proper divisors (125567406).

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

71630010 is a wasteful number, since it uses less digits than its factorization.

71630010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46847 (or 46844 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 71630010 is about 8463.4514236215. The cubic root of 71630010 is about 415.3029384360.

Adding to 71630010 its reverse (1003617), we get a palindrome (72633627).

The spelling of 71630010 in words is "seventy-one million, six hundred thirty thousand, ten".