71303630 has 8 divisors (see below), whose sum is σ = 128346552. Its totient is φ = 28521448.

The previous prime is 71303629. The next prime is 71303641. The reversal of 71303630 is 3630317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 71303596 and 71303605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565172 + ... + 3565191.

It is an arithmetic number, because the mean of its divisors is an integer number (16043319).

Almost surely, 2^71303630 is an apocalyptic number.

71303630 is a deficient number, since it is larger than the sum of its proper divisors (57042922).

71303630 is a wasteful number, since it uses less digits than its factorization.

71303630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130370.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 71303630 is about 8444.1476775338. The cubic root of 71303630 is about 414.6712061631.

Adding to 71303630 its reverse (3630317), we get a palindrome (74933947).

The spelling of 71303630 in words is "seventy-one million, three hundred three thousand, six hundred thirty".