711632730 has 16 divisors (see below), whose sum is σ = 1707918624. Its totient is φ = 189768720.

The previous prime is 711632723. The next prime is 711632797. The reversal of 711632730 is 37236117.

It is a super-2 number, since 2×711632730² = 1012842284814505800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 23721091 = 711632730 / (7 + 1 + 1 + 6 + 3 + 2 + 7 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11860516 + ... + 11860575.

It is an arithmetic number, because the mean of its divisors is an integer number (106744914).

Almost surely, 2^711632730 is an apocalyptic number.

711632730 is an abundant number, since it is smaller than the sum of its proper divisors (996285894).

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

711632730 is a wasteful number, since it uses less digits than its factorization.

711632730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23721101.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 711632730 is about 26676.4452279534. The cubic root of 711632730 is about 892.7954564804.

Adding to 711632730 its reverse (37236117), we get a palindrome (748868847).

The spelling of 711632730 in words is "seven hundred eleven million, six hundred thirty-two thousand, seven hundred thirty".